Base | Representation |
---|---|
bin | 1111010010010… |
… | …10011000001100 |
3 | 22221021210202111 |
4 | 13221022120030 |
5 | 230311342144 |
6 | 20420233404 |
7 | 3114642043 |
oct | 751123014 |
9 | 287253674 |
10 | 128230924 |
11 | 66423878 |
12 | 36b3b864 |
13 | 207494b3 |
14 | 1305d55a |
15 | b3ce534 |
hex | 7a4a60c |
128230924 has 48 divisors (see below), whose sum is σ = 248018400. Its totient is φ = 57770496.
The previous prime is 128230919. The next prime is 128231029. The reversal of 128230924 is 429032821.
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, 160494 + ... + 161290.
It is an arithmetic number, because the mean of its divisors is an integer number (5167050).
Almost surely, 2128230924 is an apocalyptic number.
It is an amenable number.
128230924 is a deficient number, since it is larger than the sum of its proper divisors (119787476).
128230924 is a wasteful number, since it uses less digits than its factorization.
128230924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 922 (or 920 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 128230924 is about 11323.9093956107. The cubic root of 128230924 is about 504.2713066445.
The spelling of 128230924 in words is "one hundred twenty-eight million, two hundred thirty thousand, nine hundred twenty-four".
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