Base | Representation |
---|---|
bin | 1001000111100… |
… | …1001100001000 |
3 | 2122222001110020 |
4 | 2101321030020 |
5 | 34242321003 |
6 | 3443420440 |
7 | 643035555 |
oct | 221711410 |
9 | 78861406 |
10 | 38245128 |
11 | 1a652149 |
12 | 10984720 |
13 | 7c00b6c |
14 | 5117a2c |
15 | 3556d53 |
hex | 2479308 |
38245128 has 32 divisors (see below), whose sum is σ = 97947360. Its totient is φ = 12437120.
The previous prime is 38245127. The next prime is 38245133. The reversal of 38245128 is 82154283.
It is not an unprimeable number, because it can be changed into a prime (38245127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18450 + ... + 20417.
It is an arithmetic number, because the mean of its divisors is an integer number (3060855).
Almost surely, 238245128 is an apocalyptic number.
It is an amenable number.
38245128 is an abundant number, since it is smaller than the sum of its proper divisors (59702232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38245128 is a wasteful number, since it uses less digits than its factorization.
38245128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38917 (or 38913 counting only the distinct ones).
The product of its digits is 15360, while the sum is 33.
The square root of 38245128 is about 6184.2645480283. The cubic root of 38245128 is about 336.9188990858.
The spelling of 38245128 in words is "thirty-eight million, two hundred forty-five thousand, one hundred twenty-eight".
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