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57342253 is a prime number
BaseRepresentation
bin1101101010111…
…1100100101101
310222220021210011
43122233210231
5104134423003
65405013221
71264254403
oct332574455
9128807704
1057342253
112a4060a1
1217254211
13bb59337
147889473
15507a46d
hex36af92d

57342253 has 2 divisors, whose sum is σ = 57342254. Its totient is φ = 57342252.

The previous prime is 57342223. The next prime is 57342301. The reversal of 57342253 is 35224375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36929929 + 20412324 = 6077^2 + 4518^2 .

It is a cyclic number.

It is not a de Polignac number, because 57342253 - 25 = 57342221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57342223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28671126 + 28671127.

It is an arithmetic number, because the mean of its divisors is an integer number (28671127).

Almost surely, 257342253 is an apocalyptic number.

It is an amenable number.

57342253 is a deficient number, since it is larger than the sum of its proper divisors (1).

57342253 is an equidigital number, since it uses as much as digits as its factorization.

57342253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 57342253 is about 7572.4667711387. The cubic root of 57342253 is about 385.6188461954.

The spelling of 57342253 in words is "fifty-seven million, three hundred forty-two thousand, two hundred fifty-three".