Search a number
-
+
680822904 = 23379735593
BaseRepresentation
bin101000100101001…
…000100001111000
31202110002101110010
4220211020201320
52343242313104
6151320221520
722604620266
oct5045104170
91673071403
10680822904
1131a341363
1217000a8a0
13ab0866b8
14665c5436
153eb85489
hex28948878

680822904 has 32 divisors (see below), whose sum is σ = 1704240720. Its totient is φ = 226649856.

The previous prime is 680822897. The next prime is 680822927. The reversal of 680822904 is 409228086.

It is a super-2 number, since 2×6808229042 = 927039653221986432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332 + ... + 36924.

Almost surely, 2680822904 is an apocalyptic number.

It is an amenable number.

680822904 is an abundant number, since it is smaller than the sum of its proper divisors (1023417816).

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

680822904 is a wasteful number, since it uses less digits than its factorization.

680822904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36399 (or 36395 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 680822904 is about 26092.5833140377. The cubic root of 680822904 is about 879.7205138623.

The spelling of 680822904 in words is "six hundred eighty million, eight hundred twenty-two thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 797 1594 2391 3188 4782 6376 9564 19128 35593 71186 106779 142372 213558 284744 427116 854232 28367621 56735242 85102863 113470484 170205726 226940968 340411452 680822904