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674520042 = 237157102293
BaseRepresentation
bin101000001101000…
…101101111101010
31202000020011112210
4220031011233222
52340134120132
6150533145550
722500216510
oct5015055752
91660204483
10674520042
11316826989
12169a8b2b6
13a998a8b1
14658244b0
153e33cbcc
hex28345bea

674520042 has 32 divisors (see below), whose sum is σ = 1551595392. Its totient is φ = 191490624.

The previous prime is 674520031. The next prime is 674520043. The reversal of 674520042 is 240025476.

674520042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 674519991 and 674520009.

It is not an unprimeable number, because it can be changed into a prime (674520043) 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, 44553 + ... + 57740.

It is an arithmetic number, because the mean of its divisors is an integer number (48487356).

Almost surely, 2674520042 is an apocalyptic number.

674520042 is an abundant number, since it is smaller than the sum of its proper divisors (877075350).

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

674520042 is a wasteful number, since it uses less digits than its factorization.

674520042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102462.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 674520042 is about 25971.5236749791. The cubic root of 674520042 is about 876.9973602095.

The spelling of 674520042 in words is "six hundred seventy-four million, five hundred twenty thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 157 314 471 942 1099 2198 3297 6594 102293 204586 306879 613758 716051 1432102 2148153 4296306 16060001 32120002 48180003 96360006 112420007 224840014 337260021 674520042