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57006242 = 2791911889
BaseRepresentation
bin1101100101110…
…1100010100010
310222021012212022
43121131202202
5104043144432
65353501442
71261354646
oct331354242
9128235768
1057006242
112a1a66a7
1217111882
13ba6c407
1477dcc26
155010b12
hex365d8a2

57006242 has 16 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 27980160.

The previous prime is 57006239. The next prime is 57006281. The reversal of 57006242 is 24260075.

57006242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29234 + ... + 31122.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 257006242 is an apocalyptic number.

57006242 is a deficient number, since it is larger than the sum of its proper divisors (30084958).

57006242 is a wasteful number, since it uses less digits than its factorization.

57006242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 57006242 is about 7550.2478105026. The cubic root of 57006242 is about 384.8641607693.

The spelling of 57006242 in words is "fifty-seven million, six thousand, two hundred forty-two".

Divisors: 1 2 79 158 191 382 1889 3778 15089 30178 149231 298462 360799 721598 28503121 57006242