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31068198 = 234727397
BaseRepresentation
bin111011010000…
…1000000100110
32011110102120000
41312201000212
530423140243
63025522130
7525034560
oct166410046
964412500
1031068198
111659aaa7
12a4a3346
13658a265
1441aa330
152ada5d3
hex1da1026

31068198 has 40 divisors (see below), whose sum is σ = 79563792. Its totient is φ = 8876304.

The previous prime is 31068151. The next prime is 31068217. The reversal of 31068198 is 89186013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12565 + ... + 14832.

Almost surely, 231068198 is an apocalyptic number.

31068198 is an abundant number, since it is smaller than the sum of its proper divisors (48495594).

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

31068198 is a wasteful number, since it uses less digits than its factorization.

31068198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27418 (or 27409 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 31068198 is about 5573.8853594239. The cubic root of 31068198 is about 314.3682576776.

The spelling of 31068198 in words is "thirty-one million, sixty-eight thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 27397 54794 82191 164382 191779 246573 383558 493146 575337 739719 1150674 1479438 1726011 2219157 3452022 4438314 5178033 10356066 15534099 31068198