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57085952 = 212711181
BaseRepresentation
bin1101100111000…
…1000000000000
310222102021012112
43121301000000
5104103222302
65355314452
71262136230
oct331610000
9128367175
1057085952
112a250580
121714ba28
13ba99791
14781dcc0
155029552
hex3671000

57085952 has 104 divisors (see below), whose sum is σ = 143113152. Its totient is φ = 22118400.

The previous prime is 57085933. The next prime is 57085957. The reversal of 57085952 is 25958075.

It is not an unprimeable number, because it can be changed into a prime (57085957) 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, 315302 + ... + 315482.

It is an arithmetic number, because the mean of its divisors is an integer number (1376088).

Almost surely, 257085952 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 57085952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71556576).

57085952 is an abundant number, since it is smaller than the sum of its proper divisors (86027200).

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

57085952 is a wasteful number, since it uses less digits than its factorization.

57085952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 57085952 is about 7555.5246012438. The cubic root of 57085952 is about 385.0434582978.

The spelling of 57085952 in words is "fifty-seven million, eighty-five thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 181 224 256 308 352 362 448 512 616 704 724 896 1024 1232 1267 1408 1448 1792 1991 2048 2464 2534 2816 2896 3584 3982 4096 4928 5068 5632 5792 7168 7964 9856 10136 11264 11584 13937 14336 15928 19712 20272 22528 23168 27874 28672 31856 39424 40544 45056 46336 55748 63712 78848 81088 92672 111496 127424 157696 162176 185344 222992 254848 315392 324352 370688 445984 509696 648704 741376 891968 1019392 1297408 1783936 2038784 2594816 3567872 4077568 5189632 7135744 8155136 14271488 28542976 57085952