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57006724 = 2283171707
BaseRepresentation
bin1101100101110…
…1101010000100
310222021020112011
43121131222010
5104043203344
65353504004
71261356235
oct331355204
9128236464
1057006724
112a1a6aa5
1217112004
13ba6c6b8
1477dd08c
155010d34
hex365da84

57006724 has 12 divisors (see below), whose sum is σ = 100964304. Its totient is φ = 28159784.

The previous prime is 57006683. The next prime is 57006727. The reversal of 57006724 is 42760075.

57006724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57006727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85522 + ... + 86185.

It is an arithmetic number, because the mean of its divisors is an integer number (8413692).

Almost surely, 257006724 is an apocalyptic number.

It is an amenable number.

57006724 is a deficient number, since it is larger than the sum of its proper divisors (43957580).

57006724 is a wasteful number, since it uses less digits than its factorization.

57006724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171794 (or 171792 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 57006724 is about 7550.2797299173. The cubic root of 57006724 is about 384.8652454693.

Adding to 57006724 its reverse (42760075), we get a palindrome (99766799).

The spelling of 57006724 in words is "fifty-seven million, six thousand, seven hundred twenty-four".

Divisors: 1 2 4 83 166 332 171707 343414 686828 14251681 28503362 57006724