Base | Representation |
---|---|
bin | 1110110001100… |
… | …00110110110000 |
3 | 22122012101212001 |
4 | 13120300312300 |
5 | 223211311310 |
6 | 20144143344 |
7 | 3033256006 |
oct | 730606660 |
9 | 278171761 |
10 | 123932080 |
11 | 63a58008 |
12 | 35607b54 |
13 | 1c8a28bc |
14 | 12660a76 |
15 | ad3093a |
hex | 7630db0 |
123932080 has 40 divisors (see below), whose sum is σ = 298083600. Its totient is φ = 47862528.
The previous prime is 123932071. The next prime is 123932089. The reversal of 123932080 is 80239321.
It is an interprime number because it is at equal distance from previous prime (123932071) and next prime (123932089).
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (123932089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24390 + ... + 29029.
It is an arithmetic number, because the mean of its divisors is an integer number (7452090).
Almost surely, 2123932080 is an apocalyptic number.
123932080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123932080 is an abundant number, since it is smaller than the sum of its proper divisors (174151520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123932080 is a wasteful number, since it uses less digits than its factorization.
123932080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53461 (or 53455 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 123932080 is about 11132.4786099053. The cubic root of 123932080 is about 498.5720323659.
The spelling of 123932080 in words is "one hundred twenty-three million, nine hundred thirty-two thousand, eighty".
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