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31008096 = 253471709
BaseRepresentation
bin111011001001…
…0010101100000
32011100101010000
41312102111200
530414224341
63024340000
7524364420
oct166222540
964311100
1031008096
1116559929
12a474600
136568ab2
144192480
152ac78b6
hex1d92560

31008096 has 120 divisors (see below), whose sum is σ = 104282640. Its totient is φ = 8854272.

The previous prime is 31008079. The next prime is 31008101. The reversal of 31008096 is 69080013.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17290 + ... + 18998.

It is an arithmetic number, because the mean of its divisors is an integer number (869022).

Almost surely, 231008096 is an apocalyptic number.

31008096 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31008096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52141320).

31008096 is an abundant number, since it is smaller than the sum of its proper divisors (73274544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31008096 is a wasteful number, since it uses less digits than its factorization.

31008096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 31008096 is about 5568.4913576300. The cubic root of 31008096 is about 314.1654097597.

The spelling of 31008096 in words is "thirty-one million, eight thousand, ninety-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 252 288 324 336 378 432 504 567 648 672 756 864 1008 1134 1296 1512 1709 2016 2268 2592 3024 3418 4536 5127 6048 6836 9072 10254 11963 13672 15381 18144 20508 23926 27344 30762 35889 41016 46143 47852 54688 61524 71778 82032 92286 95704 107667 123048 138429 143556 164064 184572 191408 215334 246096 276858 287112 323001 369144 382816 430668 492192 553716 574224 646002 738288 861336 969003 1107432 1148448 1292004 1476576 1722672 1938006 2214864 2584008 3445344 3876012 4429728 5168016 7752024 10336032 15504048 31008096