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57332269 = 167343307
BaseRepresentation
bin1101101010110…
…1001000101101
310222212210002101
43122231020231
5104134113034
65404455101
71264213321
oct332551055
9128783071
1057332269
112a3a9645
121724a491
13bb54927
147885981
155077514
hex36ad22d

57332269 has 4 divisors (see below), whose sum is σ = 57675744. Its totient is φ = 56988796.

The previous prime is 57332267. The next prime is 57332311. The reversal of 57332269 is 96223375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57332269 - 21 = 57332267 is a prime.

It is a super-2 number, since 2×573322692 = 6573978137376722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57332263) 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, 171487 + ... + 171820.

It is an arithmetic number, because the mean of its divisors is an integer number (14418936).

Almost surely, 257332269 is an apocalyptic number.

It is an amenable number.

57332269 is a deficient number, since it is larger than the sum of its proper divisors (343475).

57332269 is a wasteful number, since it uses less digits than its factorization.

57332269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343474.

The product of its digits is 68040, while the sum is 37.

The square root of 57332269 is about 7571.8075120806. The cubic root of 57332269 is about 385.5964645494.

The spelling of 57332269 in words is "fifty-seven million, three hundred thirty-two thousand, two hundred sixty-nine".

Divisors: 1 167 343307 57332269