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674942976 = 2123317359
BaseRepresentation
bin101000001110101…
…101000000000000
31202001000122201000
4220032231000000
52340241133401
6150550212000
722503630531
oct5016550000
91661018630
10674942976
11316a95714
1216a054000
13a9aa8256
14658d4688
153e3c3186
hex283ad000

674942976 has 208 divisors, whose sum is σ = 2123107200. Its totient is φ = 211156992.

The previous prime is 674942923. The next prime is 674942987. The reversal of 674942976 is 679249476.

It is a happy number.

674942976 is a `hidden beast` number, since 67 + 494 + 2 + 97 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent 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, 1879885 + ... + 1880243.

Almost surely, 2674942976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674942976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061553600).

674942976 is an abundant number, since it is smaller than the sum of its proper divisors (1448164224).

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

674942976 is a wasteful number, since it uses less digits than its factorization.

674942976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 381 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 674942976 is about 25979.6646629628. The cubic root of 674942976 is about 877.1806186664.

The spelling of 674942976 in words is "six hundred seventy-four million, nine hundred forty-two thousand, nine hundred seventy-six".