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30874372 = 2223335591
BaseRepresentation
bin111010111000…
…1101100000100
32011002120200021
41311301230010
530400434442
63021424524
7523266514
oct165615404
964076607
1030874372
1116478411
12a40b144
13651cc79
144159844
152a9ce67
hex1d71b04

30874372 has 12 divisors (see below), whose sum is σ = 56379456. Its totient is φ = 14765960.

The previous prime is 30874369. The next prime is 30874381. The reversal of 30874372 is 27347803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167704 + ... + 167887.

It is an arithmetic number, because the mean of its divisors is an integer number (4698288).

Almost surely, 230874372 is an apocalyptic number.

It is an amenable number.

30874372 is a deficient number, since it is larger than the sum of its proper divisors (25505084).

30874372 is a wasteful number, since it uses less digits than its factorization.

30874372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335618 (or 335616 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 30874372 is about 5556.4711823243. The cubic root of 30874372 is about 313.7131408582.

The spelling of 30874372 in words is "thirty million, eight hundred seventy-four thousand, three hundred seventy-two".

Divisors: 1 2 4 23 46 92 335591 671182 1342364 7718593 15437186 30874372