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31379092 = 227844773
BaseRepresentation
bin111011110110…
…0111010010100
32012001020000121
41313230322110
531013112332
63040321324
7530501143
oct167547224
965036017
1031379092
1116792638
12a613244
136668914
14424b75a
152b4c797
hex1dece94

31379092 has 6 divisors (see below), whose sum is σ = 54913418. Its totient is φ = 15689544.

The previous prime is 31379057. The next prime is 31379129. The reversal of 31379092 is 29097313.

It can be written as a sum of positive squares in only one way, i.e., 15729156 + 15649936 = 3966^2 + 3956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3922383 + ... + 3922390.

Almost surely, 231379092 is an apocalyptic number.

It is an amenable number.

31379092 is a deficient number, since it is larger than the sum of its proper divisors (23534326).

31379092 is a wasteful number, since it uses less digits than its factorization.

31379092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844777 (or 7844775 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 31379092 is about 5601.7043834890. The cubic root of 31379092 is about 315.4133885553.

The spelling of 31379092 in words is "thirty-one million, three hundred seventy-nine thousand, ninety-two".

Divisors: 1 2 4 7844773 15689546 31379092