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57457498 = 272586301
BaseRepresentation
bin1101101100101…
…1101101011010
311000010010212111
43123023231122
5104202114443
65411302534
71265244400
oct333135532
9130103774
1057457498
112a48473a
12172aaa4a
13bb99927
1478b9470
15509e69d
hex36cbb5a

57457498 has 12 divisors (see below), whose sum is σ = 100257642. Its totient is φ = 24624600.

The previous prime is 57457481. The next prime is 57457507. The reversal of 57457498 is 89475475.

It can be written as a sum of positive squares in only one way, i.e., 47927929 + 9529569 = 6923^2 + 3087^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293053 + ... + 293248.

Almost surely, 257457498 is an apocalyptic number.

57457498 is a deficient number, since it is larger than the sum of its proper divisors (42800144).

57457498 is a wasteful number, since it uses less digits than its factorization.

57457498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586317 (or 586310 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 57457498 is about 7580.0724270946. The cubic root of 57457498 is about 385.8770089690.

The spelling of 57457498 in words is "fifty-seven million, four hundred fifty-seven thousand, four hundred ninety-eight".

Divisors: 1 2 7 14 49 98 586301 1172602 4104107 8208214 28728749 57457498