Base | Representation |
---|---|
bin | 1101011101111… |
… | …10110001100101 |
3 | 21212120221010002 |
4 | 12232332301211 |
5 | 212410312140 |
6 | 15113311045 |
7 | 2541206654 |
oct | 656766145 |
9 | 255527102 |
10 | 112979045 |
11 | 58856913 |
12 | 31a05485 |
13 | 1a53930a |
14 | 1100d19b |
15 | 9dba415 |
hex | 6bbec65 |
112979045 has 8 divisors (see below), whose sum is σ = 136819320. Its totient is φ = 89553600.
The previous prime is 112979039. The next prime is 112979047. The reversal of 112979045 is 540979211.
It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 111218116 = 1327^2 + 10546^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-112979045 is a prime.
It is a super-2 number, since 2×1129790452 = 25528529218224050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112979047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103106 + ... + 104195.
It is an arithmetic number, because the mean of its divisors is an integer number (17102415).
Almost surely, 2112979045 is an apocalyptic number.
It is an amenable number.
112979045 is a deficient number, since it is larger than the sum of its proper divisors (23840275).
112979045 is a wasteful number, since it uses less digits than its factorization.
112979045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 207415.
The product of its (nonzero) digits is 22680, while the sum is 38.
The square root of 112979045 is about 10629.1601267457. The cubic root of 112979045 is about 483.4289262636.
The spelling of 112979045 in words is "one hundred twelve million, nine hundred seventy-nine thousand, forty-five".
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