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2430322020 = 2232571979791
BaseRepresentation
bin1001000011011011…
…1100010101100100
320021101002011001200
42100312330111210
514434130301040
61041054122500
7114140252640
oct22066742544
96241064050
102430322020
1110379429a5
12579ab0430
132c9674389
14190ab3c20
15e3565630
hex90dbc564

2430322020 has 144 divisors (see below), whose sum is σ = 8468748288. Its totient is φ = 552625920.

The previous prime is 2430321937. The next prime is 2430322033. The reversal of 2430322020 is 202230342.

2430322020 is a `hidden beast` number, since 2 + 430 + 32 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2430321984 and 2430322002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243325 + ... + 253115.

It is an arithmetic number, because the mean of its divisors is an integer number (58810752).

Almost surely, 22430322020 is an apocalyptic number.

2430322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2430322020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4234374144).

2430322020 is an abundant number, since it is smaller than the sum of its proper divisors (6038426268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2430322020 is a wasteful number, since it uses less digits than its factorization.

2430322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010 (or 10005 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2430322020 is about 49298.2963194470. The cubic root of 2430322020 is about 1344.4808082558.

Adding to 2430322020 its reverse (202230342), we get a palindrome (2632552362).

The spelling of 2430322020 in words is "two billion, four hundred thirty million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 197 210 252 315 394 420 591 630 788 985 1182 1260 1379 1773 1970 2364 2758 2955 3546 3940 4137 5516 5910 6895 7092 8274 8865 9791 11820 12411 13790 16548 17730 19582 20685 24822 27580 29373 35460 39164 41370 48955 49644 58746 62055 68537 82740 88119 97910 117492 124110 137074 146865 176238 195820 205611 248220 274148 293730 342685 352476 411222 440595 587460 616833 685370 822444 881190 1028055 1233666 1370740 1762380 1928827 2056110 2467332 3084165 3857654 4112220 5786481 6168330 7715308 9644135 11572962 12336660 13501789 17359443 19288270 23145924 27003578 28932405 34718886 38576540 40505367 54007156 57864810 67508945 69437772 81010734 86797215 115729620 121516101 135017890 162021468 173594430 202526835 243032202 270035780 347188860 405053670 486064404 607580505 810107340 1215161010 2430322020