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57005944 = 237125743
BaseRepresentation
bin1101100101110…
…1011101111000
310222021012110021
43121131131320
5104043142234
65353500224
71261354042
oct331353570
9128235407
1057005944
112a1a6456
1217111674
13ba6c238
1477dca92
1550109b4
hex365d778

57005944 has 8 divisors (see below), whose sum is σ = 106886160. Its totient is φ = 28502968.

The previous prime is 57005933. The next prime is 57005957. The reversal of 57005944 is 44950075.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×570059442 = 6499355302662272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562864 + ... + 3562879.

It is an arithmetic number, because the mean of its divisors is an integer number (13360770).

Almost surely, 257005944 is an apocalyptic number.

It is an amenable number.

57005944 is a deficient number, since it is larger than the sum of its proper divisors (49880216).

57005944 is a wasteful number, since it uses less digits than its factorization.

57005944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125749 (or 7125745 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57005944 is about 7550.2280760253. The cubic root of 57005944 is about 384.8634901427.

The spelling of 57005944 in words is "fifty-seven million, five thousand, nine hundred forty-four".

Divisors: 1 2 4 8 7125743 14251486 28502972 57005944