Base | Representation |
---|---|
bin | 1110101100101… |
… | …01110100011000 |
3 | 22121000010202100 |
4 | 13112111310120 |
5 | 223031001143 |
6 | 20122403400 |
7 | 3025002420 |
oct | 726256430 |
9 | 277003670 |
10 | 123297048 |
11 | 63663996 |
12 | 35360560 |
13 | 1c70c844 |
14 | 12537480 |
15 | ac576d3 |
hex | 7595d18 |
123297048 has 48 divisors (see below), whose sum is σ = 381635280. Its totient is φ = 35227584.
The previous prime is 123297047. The next prime is 123297059. The reversal of 123297048 is 840792321.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123297047) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121815 + ... + 122822.
It is an arithmetic number, because the mean of its divisors is an integer number (7950735).
Almost surely, 2123297048 is an apocalyptic number.
123297048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
123297048 is an abundant number, since it is smaller than the sum of its proper divisors (258338232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123297048 is a wasteful number, since it uses less digits than its factorization.
123297048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244656 (or 244649 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 123297048 is about 11103.9203887636. The cubic root of 123297048 is about 497.7190073017.
The spelling of 123297048 in words is "one hundred twenty-three million, two hundred ninety-seven thousand, forty-eight".
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