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31082468 = 227770617
BaseRepresentation
bin111011010010…
…0011111100100
32011111011010112
41312210133210
530424114333
63030112152
7525124304
oct166443744
964434115
1031082468
11165aa79a
12a4ab658
1365938c1
1441b1604
152ade948
hex1da47e4

31082468 has 6 divisors (see below), whose sum is σ = 54394326. Its totient is φ = 15541232.

The previous prime is 31082459. The next prime is 31082473. The reversal of 31082468 is 86428013.

It can be written as a sum of positive squares in only one way, i.e., 30118144 + 964324 = 5488^2 + 982^2 .

It is a super-2 number, since 2×310824682 = 1932239633942048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3885305 + ... + 3885312.

It is an arithmetic number, because the mean of its divisors is an integer number (9065721).

Almost surely, 231082468 is an apocalyptic number.

It is an amenable number.

31082468 is a deficient number, since it is larger than the sum of its proper divisors (23311858).

31082468 is a wasteful number, since it uses less digits than its factorization.

31082468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770621 (or 7770619 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 31082468 is about 5575.1652890296. The cubic root of 31082468 is about 314.4163813611.

The spelling of 31082468 in words is "thirty-one million, eighty-two thousand, four hundred sixty-eight".

Divisors: 1 2 4 7770617 15541234 31082468