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60057990 = 2335222437
BaseRepresentation
bin1110010100011…
…0100110000110
311012000021002000
43211012212012
5110333323430
65543130130
71326325116
oct345064606
9135007060
1060057990
11309a0503
1218143946
13c59a495
147d95046
155414e60
hex3946986

60057990 has 32 divisors (see below), whose sum is σ = 160155360. Its totient is φ = 16015392.

The previous prime is 60057979. The next prime is 60057997. The reversal of 60057990 is 9975006.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60057997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110949 + ... + 111488.

It is an arithmetic number, because the mean of its divisors is an integer number (5004855).

Almost surely, 260057990 is an apocalyptic number.

60057990 is an abundant number, since it is smaller than the sum of its proper divisors (100097370).

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

60057990 is a wasteful number, since it uses less digits than its factorization.

60057990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222453 (or 222447 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 60057990 is about 7749.7090267958. The cubic root of 60057990 is about 391.6128474916.

The spelling of 60057990 in words is "sixty million, fifty-seven thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 222437 444874 667311 1112185 1334622 2001933 2224370 3336555 4003866 6005799 6673110 10009665 12011598 20019330 30028995 60057990