Base | Representation |
---|---|
bin | 1110110001001… |
… | …00001110001000 |
3 | 22122002202212022 |
4 | 13120210032020 |
5 | 223203132303 |
6 | 20143104012 |
7 | 3032652065 |
oct | 730441610 |
9 | 278082768 |
10 | 123880328 |
11 | 63a22140 |
12 | 355a2008 |
13 | 1c885190 |
14 | 12649c6c |
15 | ad20438 |
hex | 7624388 |
123880328 has 32 divisors (see below), whose sum is σ = 272885760. Its totient is φ = 51977280.
The previous prime is 123880327. The next prime is 123880357. The reversal of 123880328 is 823088321.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (123880321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53000 + ... + 55287.
It is an arithmetic number, because the mean of its divisors is an integer number (8527680).
Almost surely, 2123880328 is an apocalyptic number.
It is an amenable number.
123880328 is an abundant number, since it is smaller than the sum of its proper divisors (149005432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123880328 is a wasteful number, since it uses less digits than its factorization.
123880328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108317 (or 108313 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 123880328 is about 11130.1539971377. The cubic root of 123880328 is about 498.5026242079.
The spelling of 123880328 in words is "one hundred twenty-three million, eight hundred eighty thousand, three hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •