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680862754 = 2111329103797
BaseRepresentation
bin101000100101010…
…010010000100010
31202110011102010001
4220211102100202
52343300102004
6151321130214
722605144415
oct5045222042
91673142101
10680862754
1131a3692a0
1217002996a
13ab09b890
14665d5b7c
153eb921a4
hex28952422

680862754 has 64 divisors (see below), whose sum is σ = 1254839040. Its totient is φ = 272805120.

The previous prime is 680862673. The next prime is 680862781. The reversal of 680862754 is 457268086.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 853884 + ... + 854680.

It is an arithmetic number, because the mean of its divisors is an integer number (19606860).

Almost surely, 2680862754 is an apocalyptic number.

680862754 is a deficient number, since it is larger than the sum of its proper divisors (573976286).

680862754 is a wasteful number, since it uses less digits than its factorization.

680862754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 680862754 is about 26093.3469298210. The cubic root of 680862754 is about 879.7376774929.

The spelling of 680862754 in words is "six hundred eighty million, eight hundred sixty-two thousand, seven hundred fifty-four".

Divisors: 1 2 11 13 22 26 29 58 103 143 206 286 319 377 638 754 797 1133 1339 1594 2266 2678 2987 4147 5974 8294 8767 10361 14729 17534 20722 23113 29458 32857 38831 46226 65714 77662 82091 113971 164182 227942 254243 300469 427141 508486 600938 854282 903001 1067183 1806002 2134366 2380639 3305159 4761278 6610318 11739013 23478026 26187029 30948307 52374058 61896614 340431377 680862754