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2520530988 = 223503417583
BaseRepresentation
bin1001011000111100…
…0100000000101100
320111122211020111120
42112033010000230
520130223442423
61054035420540
7116314105563
oct22617040054
96448736446
102520530988
111083857268
125a4154750
1331226a471
1419ca76bda
15eb433ee3
hex963c402c

2520530988 has 24 divisors (see below), whose sum is σ = 5892945408. Its totient is φ = 838504656.

The previous prime is 2520530977. The next prime is 2520530989. The reversal of 2520530988 is 8890350252.

It is a super-2 number, since 2×25205309882 = 12706152922936512288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2520530989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202756 + ... + 214827.

It is an arithmetic number, because the mean of its divisors is an integer number (245539392).

Almost surely, 22520530988 is an apocalyptic number.

It is an amenable number.

2520530988 is an abundant number, since it is smaller than the sum of its proper divisors (3372414420).

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

2520530988 is a wasteful number, since it uses less digits than its factorization.

2520530988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418093 (or 418091 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2520530988 is about 50204.8900805489. The cubic root of 2520530988 is about 1360.9139956123.

The spelling of 2520530988 in words is "two billion, five hundred twenty million, five hundred thirty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 503 1006 1509 2012 3018 6036 417583 835166 1252749 1670332 2505498 5010996 210044249 420088498 630132747 840176996 1260265494 2520530988