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31093716 = 2232591143
BaseRepresentation
bin111011010011…
…1001111010100
32011111201120010
41312213033110
530424444331
63030240220
7525202143
oct166471724
964451503
1031093716
1116608195
12a4b6070
136598a64
1441b575a
152ae2e46
hex1da73d4

31093716 has 12 divisors (see below), whose sum is σ = 72552032. Its totient is φ = 10364568.

The previous prime is 31093681. The next prime is 31093729. The reversal of 31093716 is 61739013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1295560 + ... + 1295583.

Almost surely, 231093716 is an apocalyptic number.

It is an amenable number.

31093716 is an abundant number, since it is smaller than the sum of its proper divisors (41458316).

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

31093716 is a wasteful number, since it uses less digits than its factorization.

31093716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591150 (or 2591148 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 31093716 is about 5576.1739571143. The cubic root of 31093716 is about 314.4543033706.

The spelling of 31093716 in words is "thirty-one million, ninety-three thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 2591143 5182286 7773429 10364572 15546858 31093716