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57020226 = 2323340787
BaseRepresentation
bin1101100110000…
…0111101000010
310222021221001020
43121200331002
5104044121401
65354050310
71261443504
oct331407502
9128257036
1057020226
112a20615a
1217119996
13ba758a3
147803d74
155014d36
hex3660f42

57020226 has 16 divisors (see below), whose sum is σ = 114532704. Its totient is φ = 18924704.

The previous prime is 57020213. The next prime is 57020237. The reversal of 57020226 is 62202075.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57020196 and 57020205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18996 + ... + 21791.

It is an arithmetic number, because the mean of its divisors is an integer number (7158294).

Almost surely, 257020226 is an apocalyptic number.

57020226 is an abundant number, since it is smaller than the sum of its proper divisors (57512478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57020226 is a wasteful number, since it uses less digits than its factorization.

57020226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41025.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57020226 is about 7551.1738160368. The cubic root of 57020226 is about 384.8956280860.

The spelling of 57020226 in words is "fifty-seven million, twenty thousand, two hundred twenty-six".

Divisors: 1 2 3 6 233 466 699 1398 40787 81574 122361 244722 9503371 19006742 28510113 57020226