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57882260 = 22523294339
BaseRepresentation
bin1101110011001…
…1011010010100
311000220201112102
43130303122110
5104304213020
65424341232
71301663642
oct334633224
9130821472
1057882260
112a744887
1217474818
13bcb8077
14798a192
155135475
hex3733694

57882260 has 48 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 21377664.

The previous prime is 57882259. The next prime is 57882277. The reversal of 57882260 is 6228875.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11171 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 257882260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57882260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65620800).

57882260 is an abundant number, since it is smaller than the sum of its proper divisors (73359340).

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

57882260 is a wasteful number, since it uses less digits than its factorization.

57882260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 57882260 is about 7608.0391691946. The cubic root of 57882260 is about 386.8255573044.

The spelling of 57882260 in words is "fifty-seven million, eight hundred eighty-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 23 29 46 58 92 115 116 145 230 290 460 580 667 1334 2668 3335 4339 6670 8678 13340 17356 21695 43390 86780 99797 125831 199594 251662 399188 498985 503324 629155 997970 1258310 1995940 2516620 2894113 5788226 11576452 14470565 28941130 57882260