Base | Representation |
---|---|
bin | 101101010001… |
… | …1011100101101 |
3 | 1122200000122000 |
4 | 1122203130231 |
5 | 22034110112 |
6 | 2204442513 |
7 | 405525312 |
oct | 132433455 |
9 | 48600560 |
10 | 23738157 |
11 | 12443913 |
12 | 7b49439 |
13 | 4bc1a61 |
14 | 321cd09 |
15 | 213d7dc |
hex | 16a372d |
23738157 has 32 divisors (see below), whose sum is σ = 36864000. Its totient is φ = 15078960.
The previous prime is 23738123. The next prime is 23738173. The reversal of 23738157 is 75183732.
It is not a de Polignac number, because 23738157 - 211 = 23736109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23738177) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65944 + ... + 66302.
It is an arithmetic number, because the mean of its divisors is an integer number (1152000).
Almost surely, 223738157 is an apocalyptic number.
23738157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
23738157 is a deficient number, since it is larger than the sum of its proper divisors (13125843).
23738157 is a wasteful number, since it uses less digits than its factorization.
23738157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478 (or 472 counting only the distinct ones).
The product of its digits is 35280, while the sum is 36.
The square root of 23738157 is about 4872.1819547303. The cubic root of 23738157 is about 287.3970676258.
The spelling of 23738157 in words is "twenty-three million, seven hundred thirty-eight thousand, one hundred fifty-seven".
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