Base | Representation |
---|---|
bin | 1110101011000… |
… | …01001000011100 |
3 | 22120121011201121 |
4 | 13111201020130 |
5 | 223002044434 |
6 | 20114020324 |
7 | 3023113306 |
oct | 725411034 |
9 | 276534647 |
10 | 123081244 |
11 | 63526840 |
12 | 352776a4 |
13 | 1c665550 |
14 | 124bc976 |
15 | ac137b4 |
hex | 756121c |
123081244 has 48 divisors (see below), whose sum is σ = 255540096. Its totient is φ = 51134400.
The previous prime is 123081239. The next prime is 123081271. The reversal of 123081244 is 442180321.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60199 + ... + 62209.
It is an arithmetic number, because the mean of its divisors is an integer number (5323752).
Almost surely, 2123081244 is an apocalyptic number.
It is an amenable number.
123081244 is an abundant number, since it is smaller than the sum of its proper divisors (132458852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123081244 is a wasteful number, since it uses less digits than its factorization.
123081244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2146 (or 2144 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 123081244 is about 11094.1986641668. The cubic root of 123081244 is about 497.4284556597.
The spelling of 123081244 in words is "one hundred twenty-three million, eighty-one thousand, two hundred forty-four".
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