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685493032 = 23712240947
BaseRepresentation
bin101000110110111…
…100101100101000
31202202212122122211
4220312330230220
52400441234112
6152004254504
722662410650
oct5066745450
91682778584
10685493032
11321a41074
121716a1434
13ac0302a3
146707d360
15402a90a7
hex28dbcb28

685493032 has 16 divisors (see below), whose sum is σ = 1468913760. Its totient is φ = 293782704.

The previous prime is 685493021. The next prime is 685493047. The reversal of 685493032 is 230394586.

685493032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6120418 + ... + 6120529.

It is an arithmetic number, because the mean of its divisors is an integer number (91807110).

Almost surely, 2685493032 is an apocalyptic number.

It is an amenable number.

685493032 is an abundant number, since it is smaller than the sum of its proper divisors (783420728).

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

685493032 is a wasteful number, since it uses less digits than its factorization.

685493032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12240960 (or 12240956 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 685493032 is about 26181.9218545927. The cubic root of 685493032 is about 881.7274229990.

The spelling of 685493032 in words is "six hundred eighty-five million, four hundred ninety-three thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 12240947 24481894 48963788 85686629 97927576 171373258 342746516 685493032