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57498871 is a prime number
BaseRepresentation
bin1101101101010…
…1110011110111
311000012020121211
43123111303313
5104204430441
65412222251
71265506123
oct333256367
9130166554
1057498871
112a502831
121730a987
13bbb2701
1478ca583
1550aba81
hex36d5cf7

57498871 has 2 divisors, whose sum is σ = 57498872. Its totient is φ = 57498870.

The previous prime is 57498821. The next prime is 57498929. The reversal of 57498871 is 17889475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57498871 - 219 = 56974583 is a prime.

It is a super-2 number, since 2×574988712 = 6612240332549282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57498821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28749435 + 28749436.

It is an arithmetic number, because the mean of its divisors is an integer number (28749436).

Almost surely, 257498871 is an apocalyptic number.

57498871 is a deficient number, since it is larger than the sum of its proper divisors (1).

57498871 is an equidigital number, since it uses as much as digits as its factorization.

57498871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 49.

The square root of 57498871 is about 7582.8009996307. The cubic root of 57498871 is about 385.9696052919.

The spelling of 57498871 in words is "fifty-seven million, four hundred ninety-eight thousand, eight hundred seventy-one".