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57470 = 257821
BaseRepresentation
bin1110000001111110
32220211112
432001332
53314340
61122022
7326360
oct160176
986745
1057470
113a1a6
1229312
132020a
1416d30
1512065
hexe07e

57470 has 16 divisors (see below), whose sum is σ = 118368. Its totient is φ = 19680.

The previous prime is 57467. The next prime is 57487. The reversal of 57470 is 7475.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341 + ... + 480.

It is an arithmetic number, because the mean of its divisors is an integer number (7398).

257470 is an apocalyptic number.

57470 is an abundant number, since it is smaller than the sum of its proper divisors (60898).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59184).

57470 is a wasteful number, since it uses less digits than its factorization.

57470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 57470 is about 239.7290136800. The cubic root of 57470 is about 38.5904994203.

The spelling of 57470 in words is "fifty-seven thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 821 1642 4105 5747 8210 11494 28735 57470