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57302860974 = 23233391122453
BaseRepresentation
bin110101010111100001…
…000100010010101110
312110220112102221120020
4311113201010102232
51414324013022344
642154035103010
74066006165422
oct652741042256
9173815387506
1057302860974
1122335a75647
12b132741a66
135532a35a38
142ab85a6b82
151755a85719
hexd578444ae

57302860974 has 32 divisors (see below), whose sum is σ = 119624822784. Its totient is φ = 18264940320.

The previous prime is 57302860973. The next prime is 57302861041. The reversal of 57302860974 is 47906820375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57302860973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406732 + ... + 529184.

It is an arithmetic number, because the mean of its divisors is an integer number (3738275712).

Almost surely, 257302860974 is an apocalyptic number.

57302860974 is an abundant number, since it is smaller than the sum of its proper divisors (62321961810).

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

57302860974 is a wasteful number, since it uses less digits than its factorization.

57302860974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125872.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 57302860974 in words is "fifty-seven billion, three hundred two million, eight hundred sixty thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 23 46 69 138 3391 6782 10173 20346 77993 122453 155986 233979 244906 367359 467958 734718 2816419 5632838 8449257 16898514 415238123 830476246 1245714369 2491428738 9550476829 19100953658 28651430487 57302860974