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672574863 = 31937318907
BaseRepresentation
bin101000000101101…
…010110110001111
31201212120100021010
4220011222312033
52334134343423
6150423340303
722444535442
oct5005526617
91655510233
10672574863
113157184a4
121692b1693
13a94593bc
1465479659
153e0a6693
hex2816ad8f

672574863 has 16 divisors (see below), whose sum is σ = 969480320. Its totient is φ = 413302176.

The previous prime is 672574849. The next prime is 672574867. The reversal of 672574863 is 368475276.

672574863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672574863 - 28 = 672574607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672574867) 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, 157345 + ... + 161562.

It is an arithmetic number, because the mean of its divisors is an integer number (60592520).

Almost surely, 2672574863 is an apocalyptic number.

672574863 is a deficient number, since it is larger than the sum of its proper divisors (296905457).

672574863 is a wasteful number, since it uses less digits than its factorization.

672574863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318966.

The product of its digits is 1693440, while the sum is 48.

The square root of 672574863 is about 25934.0483341880. The cubic root of 672574863 is about 876.1535210283.

The spelling of 672574863 in words is "six hundred seventy-two million, five hundred seventy-four thousand, eight hundred sixty-three".

Divisors: 1 3 19 37 57 111 703 2109 318907 956721 6059233 11799559 18177699 35398677 224191621 672574863