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31093704 = 2332431857
BaseRepresentation
bin111011010011…
…1001111001000
32011111201112200
41312213033020
530424444304
63030240200
7525202125
oct166471710
964451480
1031093704
1116608184
12a4b6060
136598a55
1441b574c
152ae2e39
hex1da73c8

31093704 has 24 divisors (see below), whose sum is σ = 84212310. Its totient is φ = 10364544.

The previous prime is 31093681. The next prime is 31093729. The reversal of 31093704 is 40739013.

It can be written as a sum of positive squares in only one way, i.e., 17388900 + 13704804 = 4170^2 + 3702^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215857 + ... + 216000.

Almost surely, 231093704 is an apocalyptic number.

It is an amenable number.

31093704 is an abundant number, since it is smaller than the sum of its proper divisors (53118606).

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

31093704 is a wasteful number, since it uses less digits than its factorization.

31093704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431869 (or 431862 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 31093704 is about 5576.1728811076. The cubic root of 31093704 is about 314.4542629182.

The spelling of 31093704 in words is "thirty-one million, ninety-three thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 431857 863714 1295571 1727428 2591142 3454856 3886713 5182284 7773426 10364568 15546852 31093704