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2520531992 = 231128642409
BaseRepresentation
bin1001011000111100…
…0100010000011000
320111122211021212202
42112033010100120
520130224010432
61054035425332
7116314111526
oct22617042030
96448737782
102520531992
111083857aa0
125a4155248
1331226aa64
1419ca77316
15eb434462
hex963c4418

2520531992 has 16 divisors (see below), whose sum is σ = 5155633800. Its totient is φ = 1145696320.

The previous prime is 2520531991. The next prime is 2520532061. The reversal of 2520531992 is 2991350252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520531991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14321117 + ... + 14321292.

Almost surely, 22520531992 is an apocalyptic number.

2520531992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2520531992 is an abundant number, since it is smaller than the sum of its proper divisors (2635101808).

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

2520531992 is a wasteful number, since it uses less digits than its factorization.

2520531992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28642426 (or 28642422 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 2520531992 is about 50204.9000795739. The cubic root of 2520531992 is about 1360.9141763093.

The spelling of 2520531992 in words is "two billion, five hundred twenty million, five hundred thirty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 28642409 57284818 114569636 229139272 315066499 630132998 1260265996 2520531992