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57944066 = 228972033
BaseRepresentation
bin1101110100001…
…0100000000010
311001000212022112
43131002200002
5104313202231
65425535322
71302342065
oct335024002
9131025275
1057944066
112a787264
12174a4542
13c00a23b
1479a48dc
15514892b
hex3742802

57944066 has 4 divisors (see below), whose sum is σ = 86916102. Its totient is φ = 28972032.

The previous prime is 57944063. The next prime is 57944087. The reversal of 57944066 is 66044975.

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., 54982225 + 2961841 = 7415^2 + 1721^2 .

It is a super-2 number, since 2×579440662 = 6715029569224712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57944063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14486015 + ... + 14486018.

Almost surely, 257944066 is an apocalyptic number.

57944066 is a deficient number, since it is larger than the sum of its proper divisors (28972036).

57944066 is a wasteful number, since it uses less digits than its factorization.

57944066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28972035.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 57944066 is about 7612.0999730692. The cubic root of 57944066 is about 386.9631909296.

The spelling of 57944066 in words is "fifty-seven million, nine hundred forty-four thousand, sixty-six".

Divisors: 1 2 28972033 57944066