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31034972 = 227758743
BaseRepresentation
bin111011001100…
…0111001011100
32011101201222102
41312120321130
530421104342
63025104232
7524535653
oct166307134
964351872
1031034972
1116578041
12a488078
1365780b7
14419c19a
152ad0832
hex1d98e5c

31034972 has 6 divisors (see below), whose sum is σ = 54311208. Its totient is φ = 15517484.

The previous prime is 31034963. The next prime is 31035007. The reversal of 31034972 is 27943013.

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, 3879368 + ... + 3879375.

It is an arithmetic number, because the mean of its divisors is an integer number (9051868).

Almost surely, 231034972 is an apocalyptic number.

It is an amenable number.

31034972 is a deficient number, since it is larger than the sum of its proper divisors (23276236).

31034972 is a wasteful number, since it uses less digits than its factorization.

31034972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758747 (or 7758745 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 31034972 is about 5570.9040558961. The cubic root of 31034972 is about 314.2561502691.

Adding to 31034972 its reverse (27943013), we get a palindrome (58977985).

The spelling of 31034972 in words is "thirty-one million, thirty-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 7758743 15517486 31034972