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31110196 = 2213246021
BaseRepresentation
bin111011010101…
…1010000110100
32011112120011111
41312223100310
530431011241
63030444404
7525301165
oct166532064
964476144
1031110196
1116619607
12a503704
1365a3400
1441bb76c
152ae7c81
hex1dab434

31110196 has 18 divisors (see below), whose sum is σ = 58954182. Its totient is φ = 14358240.

The previous prime is 31110173. The next prime is 31110197. The reversal of 31110196 is 69101113.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3168400 + 27941796 = 1780^2 + 5286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110197) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 22335 + ... + 23686.

Almost surely, 231110196 is an apocalyptic number.

It is an amenable number.

31110196 is a deficient number, since it is larger than the sum of its proper divisors (27843986).

31110196 is a wasteful number, since it uses less digits than its factorization.

31110196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46051 (or 46036 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 31110196 is about 5577.6514771004. The cubic root of 31110196 is about 314.5098482665.

The spelling of 31110196 in words is "thirty-one million, one hundred ten thousand, one hundred ninety-six".

Divisors: 1 2 4 13 26 52 169 338 676 46021 92042 184084 598273 1196546 2393092 7777549 15555098 31110196