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31294102 = 2719711657
BaseRepresentation
bin111011101100…
…0001010010110
32011212220102211
41313120022112
531002402402
63034424034
7526665310
oct167301226
964786384
1031294102
11167347a4
12a59201a
136639028
1442287b0
152b324d7
hex1dd8296

31294102 has 32 divisors (see below), whose sum is σ = 57300480. Its totient is φ = 12519360.

The previous prime is 31294079. The next prime is 31294117. The reversal of 31294102 is 20149213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18058 + ... + 19714.

It is an arithmetic number, because the mean of its divisors is an integer number (1790640).

Almost surely, 231294102 is an apocalyptic number.

31294102 is a deficient number, since it is larger than the sum of its proper divisors (26006378).

31294102 is a wasteful number, since it uses less digits than its factorization.

31294102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 31294102 is about 5594.1131558094. The cubic root of 31294102 is about 315.1283662594.

The spelling of 31294102 in words is "thirty-one million, two hundred ninety-four thousand, one hundred two".

Divisors: 1 2 7 14 19 38 71 133 142 266 497 994 1349 1657 2698 3314 9443 11599 18886 23198 31483 62966 117647 220381 235294 440762 823529 1647058 2235293 4470586 15647051 31294102