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57114280 = 2353074651
BaseRepresentation
bin1101100111011…
…1111010101000
310222110201001201
43121313322220
5104110124110
65400053544
71262314636
oct331677250
9128421051
1057114280
112a26a893
12171642b4
13baa9642
14782a356
155032b3a
hex3677ea8

57114280 has 32 divisors (see below), whose sum is σ = 128953440. Its totient is φ = 22766400.

The previous prime is 57114263. The next prime is 57114283. The reversal of 57114280 is 8241175.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57114283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9955 + ... + 14605.

It is an arithmetic number, because the mean of its divisors is an integer number (4029795).

Almost surely, 257114280 is an apocalyptic number.

It is an amenable number.

57114280 is an abundant number, since it is smaller than the sum of its proper divisors (71839160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57114280 is a wasteful number, since it uses less digits than its factorization.

57114280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969 (or 4965 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 57114280 is about 7557.3990234736. The cubic root of 57114280 is about 385.1071383391.

The spelling of 57114280 in words is "fifty-seven million, one hundred fourteen thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 307 614 1228 1535 2456 3070 4651 6140 9302 12280 18604 23255 37208 46510 93020 186040 1427857 2855714 5711428 7139285 11422856 14278570 28557140 57114280