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625113660 = 223513179531
BaseRepresentation
bin100101010000100…
…111101000111100
31121120021001201210
4211100213220330
52240012114120
6142010204420
721330243543
oct4520475074
91546231653
10625113660
112a0951166
12155423710
139c67c752
145d04315a
1539d2dce0
hex25427a3c

625113660 has 48 divisors (see below), whose sum is σ = 1763701632. Its totient is φ = 165422400.

The previous prime is 625113659. The next prime is 625113689. The reversal of 625113660 is 66311526.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31906 + ... + 47625.

It is an arithmetic number, because the mean of its divisors is an integer number (36743784).

Almost surely, 2625113660 is an apocalyptic number.

625113660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625113660 is an abundant number, since it is smaller than the sum of its proper divisors (1138587972).

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

625113660 is a wasteful number, since it uses less digits than its factorization.

625113660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79674 (or 79672 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 625113660 is about 25002.2730966606. The cubic root of 625113660 is about 855.0397984279.

The spelling of 625113660 in words is "six hundred twenty-five million, one hundred thirteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 131 262 393 524 655 786 1310 1572 1965 2620 3930 7860 79531 159062 238593 318124 397655 477186 795310 954372 1192965 1590620 2385930 4771860 10418561 20837122 31255683 41674244 52092805 62511366 104185610 125022732 156278415 208371220 312556830 625113660