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57022241 = 197289453
BaseRepresentation
bin1101100110000…
…1011100100001
310222022000210212
43121201130201
5104044202431
65354103505
71261452413
oct331413441
9128260725
1057022241
112a207721
121711ab95
13ba76793
1478049b3
15501572b
hex3661721

57022241 has 4 divisors (see below), whose sum is σ = 57311892. Its totient is φ = 56732592.

The previous prime is 57022219. The next prime is 57022253. The reversal of 57022241 is 14222075.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56685841 + 336400 = 7529^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 57022241 - 26 = 57022177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57022201) 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, 144530 + ... + 144923.

It is an arithmetic number, because the mean of its divisors is an integer number (14327973).

Almost surely, 257022241 is an apocalyptic number.

It is an amenable number.

57022241 is a deficient number, since it is larger than the sum of its proper divisors (289651).

57022241 is a wasteful number, since it uses less digits than its factorization.

57022241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289650.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 57022241 is about 7551.3072378231. The cubic root of 57022241 is about 384.9001618898.

The spelling of 57022241 in words is "fifty-seven million, twenty-two thousand, two hundred forty-one".

Divisors: 1 197 289453 57022241