Base | Representation |
---|---|
bin | 101100100010… |
… | …0011110001000 |
3 | 1121221020222112 |
4 | 1121010132020 |
5 | 21434133003 |
6 | 2152241452 |
7 | 402315155 |
oct | 131043610 |
9 | 47836875 |
10 | 23349128 |
11 | 121a8600 |
12 | 79a0288 |
13 | 4ab696a |
14 | 315b22c |
15 | 20b33d8 |
hex | 1644788 |
23349128 has 24 divisors (see below), whose sum is σ = 48123390. Its totient is φ = 10612800.
The previous prime is 23349127. The next prime is 23349149. The reversal of 23349128 is 82194332.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 21548164 + 1800964 = 4642^2 + 1342^2 .
It is a junction number, because it is equal to n+sod(n) for n = 23349094 and 23349103.
It is not an unprimeable number, because it can be changed into a prime (23349121) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11093 + ... + 13028.
Almost surely, 223349128 is an apocalyptic number.
It is an amenable number.
23349128 is an abundant number, since it is smaller than the sum of its proper divisors (24774262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23349128 is a wasteful number, since it uses less digits than its factorization.
23349128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24149 (or 24134 counting only the distinct ones).
The product of its digits is 10368, while the sum is 32.
The square root of 23349128 is about 4832.0935421409. The cubic root of 23349128 is about 285.8184251806.
The spelling of 23349128 in words is "twenty-three million, three hundred forty-nine thousand, one hundred twenty-eight".
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