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112981320 = 233251718461
BaseRepresentation
bin1101011101111…
…11010101001000
321212121001020100
412232333111020
5212410400240
615113325400
72541216414
oct656772510
9255531210
10112981320
11588585a1
1231a06860
131a53a36a
141100dd44
159dbae30
hex6bbf548

112981320 has 96 divisors (see below), whose sum is σ = 388809720. Its totient is φ = 28354560.

The previous prime is 112981307. The next prime is 112981321. The reversal of 112981320 is 23189211.

It can be written as a sum of positive squares in 4 ways, for example, as 77053284 + 35928036 = 8778^2 + 5994^2 .

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (112981321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3111 + ... + 15350.

Almost surely, 2112981320 is an apocalyptic number.

112981320 is a gapful number since it is divisible by the number (10) 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 112981320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194404860).

112981320 is an abundant number, since it is smaller than the sum of its proper divisors (275828400).

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

112981320 is a wasteful number, since it uses less digits than its factorization.

112981320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18495 (or 18488 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 112981320 is about 10629.2671431289. The cubic root of 112981320 is about 483.4321710937.

The spelling of 112981320 in words is "one hundred twelve million, nine hundred eighty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 30 34 36 40 45 51 60 68 72 85 90 102 120 136 153 170 180 204 255 306 340 360 408 510 612 680 765 1020 1224 1530 2040 3060 6120 18461 36922 55383 73844 92305 110766 147688 166149 184610 221532 276915 313837 332298 369220 443064 553830 627674 664596 738440 830745 941511 1107660 1255348 1329192 1569185 1661490 1883022 2215320 2510696 2824533 3138370 3322980 3766044 4707555 5649066 6276740 6645960 7532088 9415110 11298132 12553480 14122665 18830220 22596264 28245330 37660440 56490660 112981320