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57939050 = 2521389137
BaseRepresentation
bin1101110100000…
…1010001101010
311001000121102202
43131001101222
5104313022200
65425500202
71302321341
oct335012152
9131017382
1057939050
112a783514
12174a1662
13c007b80
1479a2b58
1551471d5
hex374146a

57939050 has 24 divisors (see below), whose sum is σ = 116057676. Its totient is φ = 21392640.

The previous prime is 57939023. The next prime is 57939127. The reversal of 57939050 is 5093975.

It can be written as a sum of positive squares in 6 ways, for example, as 24611521 + 33327529 = 4961^2 + 5773^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57938995 and 57939013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43919 + ... + 45218.

Almost surely, 257939050 is an apocalyptic number.

57939050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57939050 is an abundant number, since it is smaller than the sum of its proper divisors (58118626).

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

57939050 is a wasteful number, since it uses less digits than its factorization.

57939050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89162 (or 89157 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 57939050 is about 7611.7704904969. The cubic root of 57939050 is about 386.9520246244.

The spelling of 57939050 in words is "fifty-seven million, nine hundred thirty-nine thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 89137 178274 445685 891370 1158781 2228425 2317562 4456850 5793905 11587810 28969525 57939050