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112752081 = 3413107077
BaseRepresentation
bin1101011100001…
…11010111010001
321212011101210000
412232013113101
5212331031311
615104400213
72536243161
oct656072721
9255141700
10112752081
1158711342
1231916069
131a489c10
1410d905a1
159d73056
hex6b875d1

112752081 has 20 divisors (see below), whose sum is σ = 181390132. Its totient is φ = 69385248.

The previous prime is 112752037. The next prime is 112752119. The reversal of 112752081 is 180257211.

It can be written as a sum of positive squares in 2 ways, for example, as 23619600 + 89132481 = 4860^2 + 9441^2 .

It is not a de Polignac number, because 112752081 - 27 = 112751953 is a prime.

It is a super-2 number, since 2×1127520812 = 25426063539661122, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112752881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52486 + ... + 54591.

Almost surely, 2112752081 is an apocalyptic number.

It is an amenable number.

112752081 is a deficient number, since it is larger than the sum of its proper divisors (68638051).

112752081 is a wasteful number, since it uses less digits than its factorization.

112752081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107102 (or 107093 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 112752081 is about 10618.4782808084. The cubic root of 112752081 is about 483.1049885580.

The spelling of 112752081 in words is "one hundred twelve million, seven hundred fifty-two thousand, eighty-one".

Divisors: 1 3 9 13 27 39 81 117 351 1053 107077 321231 963693 1392001 2891079 4176003 8673237 12528009 37584027 112752081