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2450766840 = 2335231914649
BaseRepresentation
bin1001001000010011…
…1011101111111000
320022210112212002020
42102010323233320
520004344014330
61043104234440
7114506113554
oct22204735770
96283485066
102450766840
111048437445
1258490ba20
133009820c2
141936b6864
15e5253210
hex9213bbf8

2450766840 has 128 divisors (see below), whose sum is σ = 7713792000. Its totient is φ = 621716480.

The previous prime is 2450766793. The next prime is 2450766893. The reversal of 2450766840 is 486670542.

It is a junction number, because it is equal to n+sod(n) for n = 2450766792 and 2450766801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524836 + ... + 529484.

It is an arithmetic number, because the mean of its divisors is an integer number (60264000).

Almost surely, 22450766840 is an apocalyptic number.

2450766840 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 2450766840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3856896000).

2450766840 is an abundant number, since it is smaller than the sum of its proper divisors (5263025160).

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

2450766840 is a wasteful number, since it uses less digits than its factorization.

2450766840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877 (or 4873 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 2450766840 is about 49505.2203307894. The cubic root of 2450766840 is about 1348.2403851226.

The spelling of 2450766840 in words is "two billion, four hundred fifty million, seven hundred sixty-six thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 115 120 138 184 191 230 276 345 382 460 552 573 690 764 920 955 1146 1380 1528 1910 2292 2760 2865 3820 4393 4584 4649 5730 7640 8786 9298 11460 13179 13947 17572 18596 21965 22920 23245 26358 27894 35144 37192 43930 46490 52716 55788 65895 69735 87860 92980 105432 106927 111576 131790 139470 175720 185960 213854 263580 278940 320781 427708 527160 534635 557880 641562 855416 887959 1069270 1283124 1603905 1775918 2138540 2566248 2663877 3207810 3551836 4277080 4439795 5327754 6415620 7103672 8879590 10655508 12831240 13319385 17759180 20423057 21311016 26638770 35518360 40846114 53277540 61269171 81692228 102115285 106555080 122538342 163384456 204230570 245076684 306345855 408461140 490153368 612691710 816922280 1225383420 2450766840