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31074274 = 2711201781
BaseRepresentation
bin111011010001…
…0011111100010
32011110201220001
41312202133202
530423334044
63030010214
7525061360
oct166423742
964421801
1031074274
11165a4620
12a4a696a
13658cc5a
1441ac630
152adc2d4
hex1da27e2

31074274 has 16 divisors (see below), whose sum is σ = 58113216. Its totient is φ = 12106800.

The previous prime is 31074229. The next prime is 31074289. The reversal of 31074274 is 47247013.

It is a super-2 number, since 2×310742742 = 1931221009254152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100737 + ... + 101044.

It is an arithmetic number, because the mean of its divisors is an integer number (3632076).

Almost surely, 231074274 is an apocalyptic number.

31074274 is a deficient number, since it is larger than the sum of its proper divisors (27038942).

31074274 is a wasteful number, since it uses less digits than its factorization.

31074274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201801.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 31074274 is about 5574.4303744867. The cubic root of 31074274 is about 314.3887499832.

It can be divided in two parts, 3107 and 4274, that added together give a triangular number (7381 = T121).

The spelling of 31074274 in words is "thirty-one million, seventy-four thousand, two hundred seventy-four".

Divisors: 1 2 7 11 14 22 77 154 201781 403562 1412467 2219591 2824934 4439182 15537137 31074274