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57661050 = 2352384407
BaseRepresentation
bin1101101111110…
…1011001111010
311000111111002110
43123331121322
5104230123200
65415513150
71300053006
oct333753172
9130444073
1057661050
112a603667
12173887b6
13bc3b485
14792d706
1550deb50
hex36fd67a

57661050 has 24 divisors (see below), whose sum is σ = 142999776. Its totient is φ = 15376240.

The previous prime is 57661039. The next prime is 57661103. The reversal of 57661050 is 5016675.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 57660999 and 57661017.

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, 192054 + ... + 192353.

It is an arithmetic number, because the mean of its divisors is an integer number (5958324).

Almost surely, 257661050 is an apocalyptic number.

57661050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57661050 is an abundant number, since it is smaller than the sum of its proper divisors (85338726).

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

57661050 is a wasteful number, since it uses less digits than its factorization.

57661050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384422 (or 384417 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 57661050 is about 7593.4873411365. The cubic root of 57661050 is about 386.3321480891.

The spelling of 57661050 in words is "fifty-seven million, six hundred sixty-one thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 384407 768814 1153221 1922035 2306442 3844070 5766105 9610175 11532210 19220350 28830525 57661050