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57972962 = 228986481
BaseRepresentation
bin1101110100100…
…1100011100010
311001002022221202
43131021203202
5104320113322
65430321202
71302522245
oct335114342
9131068852
1057972962
112a7a6a43
12174b9202
13c01a438
1479b125c
155152292
hex37498e2

57972962 has 4 divisors (see below), whose sum is σ = 86959446. Its totient is φ = 28986480.

The previous prime is 57972961. The next prime is 57972979. The reversal of 57972962 is 26927975.

It is a happy number.

57972962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56535361 + 1437601 = 7519^2 + 1199^2 .

It is not an unprimeable number, because it can be changed into a prime (57972961) 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 as a sum of consecutive naturals, namely, 14493239 + ... + 14493242.

Almost surely, 257972962 is an apocalyptic number.

57972962 is a deficient number, since it is larger than the sum of its proper divisors (28986484).

57972962 is a wasteful number, since it uses less digits than its factorization.

57972962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28986483.

The product of its digits is 476280, while the sum is 47.

The square root of 57972962 is about 7613.9977672705. The cubic root of 57972962 is about 387.0275048501.

The spelling of 57972962 in words is "fifty-seven million, nine hundred seventy-two thousand, nine hundred sixty-two".

Divisors: 1 2 28986481 57972962