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31046164 = 2237920479
BaseRepresentation
bin111011001101…
…1101000010100
32011102022022221
41312123220110
530421434124
63025232124
7524613412
oct166335024
964368287
1031046164
1116585496
12a492644
136580216
1441a22b2
152ad3ce4
hex1d9ba14

31046164 has 12 divisors (see below), whose sum is σ = 54476800. Its totient is φ = 15481368.

The previous prime is 31046161. The next prime is 31046167. The reversal of 31046164 is 46164013.

It is an interprime number because it is at equal distance from previous prime (31046161) and next prime (31046167).

It is a super-2 number, since 2×310461642 = 1927728598229792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31046161) 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 3 ways as a sum of consecutive naturals, for example, 8724 + ... + 11755.

Almost surely, 231046164 is an apocalyptic number.

It is an amenable number.

31046164 is a deficient number, since it is larger than the sum of its proper divisors (23430636).

31046164 is a wasteful number, since it uses less digits than its factorization.

31046164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20862 (or 20860 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 31046164 is about 5571.9084701743. The cubic root of 31046164 is about 314.2939219816.

The spelling of 31046164 in words is "thirty-one million, forty-six thousand, one hundred sixty-four".

Divisors: 1 2 4 379 758 1516 20479 40958 81916 7761541 15523082 31046164