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112991360 = 275176549
BaseRepresentation
bin1101011110000…
…01110010000000
321212121120000012
412233001302000
5212411210420
615113444052
72541260606
oct657016200
9255546005
10112991360
1158865099
1231a10628
131a541ac1
1411013876
159dbddc5
hex6bc1c80

112991360 has 32 divisors (see below), whose sum is σ = 270121500. Its totient is φ = 45196288.

The previous prime is 112991353. The next prime is 112991381. The reversal of 112991360 is 63199211.

It can be written as a sum of positive squares in 2 ways, for example, as 111682624 + 1308736 = 10568^2 + 1144^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 87635 + ... + 88914.

Almost surely, 2112991360 is an apocalyptic number.

112991360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112991360 is an abundant number, since it is smaller than the sum of its proper divisors (157130140).

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

112991360 is an equidigital number, since it uses as much as digits as its factorization.

112991360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176568 (or 176556 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 112991360 is about 10629.7394135510. The cubic root of 112991360 is about 483.4464906150.

The spelling of 112991360 in words is "one hundred twelve million, nine hundred ninety-one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 176549 353098 706196 882745 1412392 1765490 2824784 3530980 5649568 7061960 11299136 14123920 22598272 28247840 56495680 112991360