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57045266 = 273390721
BaseRepresentation
bin1101100110011…
…1000100010010
310222100012101122
43121213010102
5104100422031
65354402242
71261606505
oct331470422
9128305348
1057045266
112a222a53
1217130382
13ba840c5
14780d13c
15501c47b
hex3667112

57045266 has 8 divisors (see below), whose sum is σ = 86740284. Its totient is φ = 28131840.

The previous prime is 57045223. The next prime is 57045269. The reversal of 57045266 is 66254075.

It can be written as a sum of positive squares in 2 ways, for example, as 55071241 + 1974025 = 7421^2 + 1405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57045269) 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, 195215 + ... + 195506.

Almost surely, 257045266 is an apocalyptic number.

57045266 is a deficient number, since it is larger than the sum of its proper divisors (29695018).

57045266 is a wasteful number, since it uses less digits than its factorization.

57045266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390796.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 57045266 is about 7552.8316544194. The cubic root of 57045266 is about 384.9519611732.

The spelling of 57045266 in words is "fifty-seven million, forty-five thousand, two hundred sixty-six".

Divisors: 1 2 73 146 390721 781442 28522633 57045266