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674888740 = 225191776023
BaseRepresentation
bin101000001110011…
…111110000100100
31202000220220022021
4220032133300210
52340232414430
6150545112524
722503313441
oct5016376044
91660826267
10674888740
11316a58999
1216a028744
13a9a89666
14658bc9c8
153e3b207a
hex2839fc24

674888740 has 24 divisors (see below), whose sum is σ = 1491860160. Its totient is φ = 255747168.

The previous prime is 674888737. The next prime is 674888749. The reversal of 674888740 is 47888476.

It is a super-2 number, since 2×6748887402 = 910949622757575200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674888749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887632 + ... + 888391.

It is an arithmetic number, because the mean of its divisors is an integer number (62160840).

Almost surely, 2674888740 is an apocalyptic number.

It is an amenable number.

674888740 is an abundant number, since it is smaller than the sum of its proper divisors (816971420).

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

674888740 is a wasteful number, since it uses less digits than its factorization.

674888740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776051 (or 1776049 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 52.

The square root of 674888740 is about 25978.6208255943. The cubic root of 674888740 is about 877.1571223395.

The spelling of 674888740 in words is "six hundred seventy-four million, eight hundred eighty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1776023 3552046 7104092 8880115 17760230 33744437 35520460 67488874 134977748 168722185 337444370 674888740