Base | Representation |
---|---|
bin | 1110101100011… |
… | …11110010110100 |
3 | 22120221212220102 |
4 | 13112033302310 |
5 | 223024203442 |
6 | 20122053232 |
7 | 3024540446 |
oct | 726176264 |
9 | 276855812 |
10 | 123272372 |
11 | 636473a3 |
12 | 3534a218 |
13 | 1c701542 |
14 | 1252c496 |
15 | ac50232 |
hex | 758fcb4 |
123272372 has 18 divisors (see below), whose sum is σ = 229165062. Its totient is φ = 58009984.
The previous prime is 123272371. The next prime is 123272407. The reversal of 123272372 is 273272321.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 89794576 + 33477796 = 9476^2 + 5786^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123272371) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52163 + ... + 54474.
Almost surely, 2123272372 is an apocalyptic number.
It is an amenable number.
123272372 is a deficient number, since it is larger than the sum of its proper divisors (105892690).
123272372 is a wasteful number, since it uses less digits than its factorization.
123272372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106675 (or 106656 counting only the distinct ones).
The product of its digits is 7056, while the sum is 29.
The square root of 123272372 is about 11102.8091940734. The cubic root of 123272372 is about 497.6858014955.
The spelling of 123272372 in words is "one hundred twenty-three million, two hundred seventy-two thousand, three hundred seventy-two".
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