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676744680 = 23358096971
BaseRepresentation
bin101000010101100…
…100110111101000
31202011102012011210
4220111210313220
52341221312210
6151052553120
722525143363
oct5025446750
91664365153
10676744680
11318006327
1216a7827a0
13aa289351
1465c430da
153e62be20
hex28564de8

676744680 has 64 divisors (see below), whose sum is σ = 2033035200. Its totient is φ = 180216320.

The previous prime is 676744643. The next prime is 676744781. The reversal of 676744680 is 86447676.

It is a happy 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, 93595 + ... + 100565.

It is an arithmetic number, because the mean of its divisors is an integer number (31766175).

Almost surely, 2676744680 is an apocalyptic number.

676744680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

676744680 is an abundant number, since it is smaller than the sum of its proper divisors (1356290520).

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

676744680 is a wasteful number, since it uses less digits than its factorization.

676744680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794 (or 7790 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 676744680 is about 26014.3168274702. The cubic root of 676744680 is about 877.9604453584.

The spelling of 676744680 in words is "six hundred seventy-six million, seven hundred forty-four thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 809 1618 2427 3236 4045 4854 6472 6971 8090 9708 12135 13942 16180 19416 20913 24270 27884 32360 34855 41826 48540 55768 69710 83652 97080 104565 139420 167304 209130 278840 418260 836520 5639539 11279078 16918617 22558156 28197695 33837234 45116312 56395390 67674468 84593085 112790780 135348936 169186170 225581560 338372340 676744680