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57411857 is a prime number
BaseRepresentation
bin1101101100000…
…0100100010001
311000000211021002
43123000210101
5104144134412
65410311345
71264664336
oct333004421
9130024232
1057411857
112a453418
1217288555
13bb81c19
1478a698d
155090dc2
hex36c0911

57411857 has 2 divisors, whose sum is σ = 57411858. Its totient is φ = 57411856.

The previous prime is 57411817. The next prime is 57411869. The reversal of 57411857 is 75811475.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33166081 + 24245776 = 5759^2 + 4924^2 .

It is a cyclic number.

It is not a de Polignac number, because 57411857 - 212 = 57407761 is a prime.

It is a super-2 number, since 2×574118572 = 6592242648376898, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57411857.

It is not a weakly prime, because it can be changed into another prime (57411817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28705928 + 28705929.

It is an arithmetic number, because the mean of its divisors is an integer number (28705929).

Almost surely, 257411857 is an apocalyptic number.

It is an amenable number.

57411857 is a deficient number, since it is larger than the sum of its proper divisors (1).

57411857 is an equidigital number, since it uses as much as digits as its factorization.

57411857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 38.

The square root of 57411857 is about 7577.0612377095. The cubic root of 57411857 is about 385.7748089167.

The spelling of 57411857 in words is "fifty-seven million, four hundred eleven thousand, eight hundred fifty-seven".