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112747986 = 232131373517
BaseRepresentation
bin1101011100001…
…10010111010010
321212011012011100
412232012113102
5212330413421
615104325230
72536225221
oct656062722
9255135140
10112747986
115870925a
1231913816
131a4880b0
1410d8ccb8
159d71c26
hex6b865d2

112747986 has 48 divisors (see below), whose sum is σ = 265074264. Its totient is φ = 34428672.

The previous prime is 112747979. The next prime is 112747993. The reversal of 112747986 is 689747211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112747979) and next prime (112747993).

It can be written as a sum of positive squares in 4 ways, for example, as 105698961 + 7049025 = 10281^2 + 2655^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30300 + ... + 33816.

Almost surely, 2112747986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112747986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132537132).

112747986 is an abundant number, since it is smaller than the sum of its proper divisors (152326278).

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

112747986 is a wasteful number, since it uses less digits than its factorization.

112747986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675 (or 3672 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 112747986 is about 10618.2854548180. The cubic root of 112747986 is about 483.0991399183.

The spelling of 112747986 in words is "one hundred twelve million, seven hundred forty-seven thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 137 234 274 411 822 1233 1781 2466 3517 3562 5343 7034 10551 10686 16029 21102 31653 32058 45721 63306 91442 137163 274326 411489 481829 822978 963658 1445487 2890974 4336461 6263777 8672922 12527554 18791331 37582662 56373993 112747986