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2157059432 = 231124512039
BaseRepresentation
bin1000000010010010…
…0001110101101000
312120022212222021002
42000210201311220
513404201400212
6554013134132
7104311463003
oct20044416550
95508788232
102157059432
11a07670750
1250248a348
13284b78538
141666a053a
15c9588ac2
hex80921d68

2157059432 has 16 divisors (see below), whose sum is σ = 4412167200. Its totient is φ = 980481520.

The previous prime is 2157059419. The next prime is 2157059477. The reversal of 2157059432 is 2349507512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12255932 + ... + 12256107.

It is an arithmetic number, because the mean of its divisors is an integer number (275760450).

Almost surely, 22157059432 is an apocalyptic number.

2157059432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2157059432 is an abundant number, since it is smaller than the sum of its proper divisors (2255107768).

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

2157059432 is a wasteful number, since it uses less digits than its factorization.

2157059432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24512056 (or 24512052 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2157059432 is about 46444.1539055240. The cubic root of 2157059432 is about 1292.0739493181.

The spelling of 2157059432 in words is "two billion, one hundred fifty-seven million, fifty-nine thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 24512039 49024078 98048156 196096312 269632429 539264858 1078529716 2157059432