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57480988 = 2214370247
BaseRepresentation
bin1101101101000…
…1011100011100
311000011100002111
43123101130130
5104203342423
65412003404
71265403025
oct333213434
9130140074
1057480988
112a4a0354
1217300564
13bba7526
1478c3c4c
1550a660d
hex36d171c

57480988 has 6 divisors (see below), whose sum is σ = 100591736. Its totient is φ = 28740492.

The previous prime is 57480977. The next prime is 57480989. The reversal of 57480988 is 88908475.

It is a super-2 number, since 2×574809882 = 6608127962912288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57480989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7185120 + ... + 7185127.

Almost surely, 257480988 is an apocalyptic number.

It is an amenable number.

57480988 is a deficient number, since it is larger than the sum of its proper divisors (43110748).

57480988 is a wasteful number, since it uses less digits than its factorization.

57480988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14370251 (or 14370249 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 57480988 is about 7581.6217262536. The cubic root of 57480988 is about 385.9295870560.

The spelling of 57480988 in words is "fifty-seven million, four hundred eighty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 14370247 28740494 57480988