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674518040 = 23572408993
BaseRepresentation
bin101000001101000…
…101010000011000
31202000020001210122
4220031011100120
52340134034130
6150533132412
722500210620
oct5015052030
91660201718
10674518040
11316825429
12169a8a108
13a9989a01
1465823880
153e33c2e5
hex28345418

674518040 has 32 divisors (see below), whose sum is σ = 1734475680. Its totient is φ = 231263232.

The previous prime is 674518021. The next prime is 674518043. The reversal of 674518040 is 40815476.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674518043) 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, 1204217 + ... + 1204776.

It is an arithmetic number, because the mean of its divisors is an integer number (54202365).

Almost surely, 2674518040 is an apocalyptic number.

It is an amenable number.

674518040 is an abundant number, since it is smaller than the sum of its proper divisors (1059957640).

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

674518040 is a wasteful number, since it uses less digits than its factorization.

674518040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409011 (or 2409007 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 674518040 is about 25971.4851327374. The cubic root of 674518040 is about 876.9964925553.

The spelling of 674518040 in words is "six hundred seventy-four million, five hundred eighteen thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 2408993 4817986 9635972 12044965 16862951 19271944 24089930 33725902 48179860 67451804 84314755 96359720 134903608 168629510 337259020 674518040