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674633508 = 22317311443
BaseRepresentation
bin101000001101100…
…001011100100100
31202000102221012020
4220031201130210
52340201233013
6150535423140
722501201353
oct5015413444
91660387166
10674633508
113168a415a
12169b24ab0
13a99ca433
146585399a
153e361623
hex28361724

674633508 has 48 divisors (see below), whose sum is σ = 1672655040. Its totient is φ = 211631232.

The previous prime is 674633507. The next prime is 674633549. The reversal of 674633508 is 805336476.

It is a self number, because there is not a number n which added to its sum of digits gives 674633508.

It is not an unprimeable number, because it can be changed into a prime (674633507) 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, 53235 + ... + 64677.

It is an arithmetic number, because the mean of its divisors is an integer number (34846980).

Almost surely, 2674633508 is an apocalyptic number.

674633508 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674633508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836327520).

674633508 is an abundant number, since it is smaller than the sum of its proper divisors (998021532).

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

674633508 is a wasteful number, since it uses less digits than its factorization.

674633508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11501 (or 11465 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 674633508 is about 25973.7080140668. The cubic root of 674633508 is about 877.0465328543.

The spelling of 674633508 in words is "six hundred seventy-four million, six hundred thirty-three thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 289 578 867 1156 1734 3468 4913 9826 11443 14739 19652 22886 29478 34329 45772 58956 68658 137316 194531 389062 583593 778124 1167186 2334372 3307027 6614054 9921081 13228108 19842162 39684324 56219459 112438918 168658377 224877836 337316754 674633508