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2431002020 = 2252331227751
BaseRepresentation
bin1001000011100110…
…0010010110100100
320021102100200211212
42100321202112210
514434314031040
61041120450552
7114146114306
oct22071422644
96242320755
102431002020
111038267887
1257a179a58
132c9851a45
14190c0d976
15e364bd65
hex90e625a4

2431002020 has 96 divisors (see below), whose sum is σ = 5530484736. Its totient is φ = 894960000.

The previous prime is 2431002011. The next prime is 2431002029. The reversal of 2431002020 is 202001342.

It is an interprime number because it is at equal distance from previous prime (2431002011) and next prime (2431002029).

It is a junction number, because it is equal to n+sod(n) for n = 2431001986 and 2431002004.

It is not an unprimeable number, because it can be changed into a prime (2431002029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3236645 + ... + 3237395.

It is an arithmetic number, because the mean of its divisors is an integer number (57609216).

Almost surely, 22431002020 is an apocalyptic number.

2431002020 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 2431002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2765242368).

2431002020 is an abundant number, since it is smaller than the sum of its proper divisors (3099482716).

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

2431002020 is a wasteful number, since it uses less digits than its factorization.

2431002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2431002020 is about 49305.1926271463. The cubic root of 2431002020 is about 1344.6061910497.

Adding to 2431002020 its reverse (202001342), we get a palindrome (2633003362).

The spelling of 2431002020 in words is "two billion, four hundred thirty-one million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 23 31 46 62 92 115 124 155 227 230 310 454 460 620 713 751 908 1135 1426 1502 2270 2852 3004 3565 3755 4540 5221 7037 7130 7510 10442 14074 14260 15020 17273 20884 23281 26105 28148 34546 35185 46562 52210 69092 70370 86365 93124 104420 116405 140740 161851 170477 172730 232810 323702 340954 345460 465620 535463 647404 681908 809255 852385 1070926 1618510 1704770 2141852 2677315 3237020 3409540 3920971 5284787 5354630 7841942 10569574 10709260 15683884 19604855 21139148 26423935 39209710 52847870 78419420 105695740 121550101 243100202 486200404 607750505 1215501010 2431002020