Base | Representation |
---|---|
bin | 1110101101101… |
… | …01110011111100 |
3 | 22121020210111211 |
4 | 13112311303330 |
5 | 223044144332 |
6 | 20125254204 |
7 | 3026056444 |
oct | 726656374 |
9 | 277223454 |
10 | 123428092 |
11 | 63743397 |
12 | 35404364 |
13 | 1c757398 |
14 | 1256d124 |
15 | ac81447 |
hex | 75b5cfc |
123428092 has 24 divisors (see below), whose sum is σ = 230743296. Its totient is φ = 57566208.
The previous prime is 123428087. The next prime is 123428111. The reversal of 123428092 is 290824321.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348 + ... + 15715.
It is an arithmetic number, because the mean of its divisors is an integer number (9614304).
Almost surely, 2123428092 is an apocalyptic number.
It is an amenable number.
123428092 is a deficient number, since it is larger than the sum of its proper divisors (107315204).
123428092 is a wasteful number, since it uses less digits than its factorization.
123428092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16197 (or 16195 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 123428092 is about 11109.8196204979. The cubic root of 123428092 is about 497.8952753666.
The spelling of 123428092 in words is "one hundred twenty-three million, four hundred twenty-eight thousand, ninety-two".
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