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57406227 = 367328433
BaseRepresentation
bin1101101011111…
…1001100010011
311000000112112120
43122333030103
5104143444402
65410225323
71264642044
oct332771423
9130015476
1057406227
112a44a16a
1217285243
13bb7c4a8
1478a48cb
15508e3bc
hex36bf313

57406227 has 8 divisors (see below), whose sum is σ = 76658064. Its totient is φ = 38212608.

The previous prime is 57406199. The next prime is 57406241. The reversal of 57406227 is 72260475.

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

It is not a de Polignac number, because 57406227 - 212 = 57402131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57408227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12198 + ... + 16235.

It is an arithmetic number, because the mean of its divisors is an integer number (9582258).

Almost surely, 257406227 is an apocalyptic number.

57406227 is a deficient number, since it is larger than the sum of its proper divisors (19251837).

57406227 is a wasteful number, since it uses less digits than its factorization.

57406227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29109.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 57406227 is about 7576.6897125328. The cubic root of 57406227 is about 385.7621983789.

The spelling of 57406227 in words is "fifty-seven million, four hundred six thousand, two hundred twenty-seven".

Divisors: 1 3 673 2019 28433 85299 19135409 57406227