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2315252992 = 2813695689
BaseRepresentation
bin1000100111111111…
…1111010100000000
312222100120001000211
42021333333110000
514220201043432
61021423523504
7111242216503
oct21177772400
95870501024
102315252992
11a88999928
12547459594
132ab8859b0
1417d6bd13a
15d83d5d47
hex89fff500

2315252992 has 36 divisors (see below), whose sum is σ = 4976966260. Its totient is φ = 1068576768.

The previous prime is 2315252983. The next prime is 2315253047. The reversal of 2315252992 is 2992525132.

It can be written as a sum of positive squares in 2 ways, for example, as 295289856 + 2019963136 = 17184^2 + 44944^2 .

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 3 ways as a sum of consecutive naturals, for example, 344517 + ... + 351172.

Almost surely, 22315252992 is an apocalyptic number.

It is an amenable number.

2315252992 is an abundant number, since it is smaller than the sum of its proper divisors (2661713268).

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

2315252992 is an equidigital number, since it uses as much as digits as its factorization.

2315252992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695718 (or 695704 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 2315252992 is about 48117.0758878800. The cubic root of 2315252992 is about 1322.9176722584.

The spelling of 2315252992 in words is "two billion, three hundred fifteen million, two hundred fifty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 695689 1391378 2782756 5565512 9043957 11131024 18087914 22262048 36175828 44524096 72351656 89048192 144703312 178096384 289406624 578813248 1157626496 2315252992