Base | Representation |
---|---|
bin | 1001001010000… |
… | …0000000011101 |
3 | 2200021010120000 |
4 | 2102200000131 |
5 | 34312413000 |
6 | 3451044513 |
7 | 644300244 |
oct | 222400035 |
9 | 80233500 |
10 | 38404125 |
11 | 1a750651 |
12 | 10a40739 |
13 | 7c58346 |
14 | 515995b |
15 | 3589000 |
hex | 24a001d |
38404125 has 40 divisors (see below), whose sum is σ = 71615544. Its totient is φ = 20476800.
The previous prime is 38404109. The next prime is 38404129. The reversal of 38404125 is 52140483.
It can be written as a sum of positive squares in 4 ways, for example, as 5433561 + 32970564 = 2331^2 + 5742^2 .
It is not a de Polignac number, because 38404125 - 24 = 38404109 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38404129) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8229 + ... + 12021.
Almost surely, 238404125 is an apocalyptic number.
It is an amenable number.
38404125 is a deficient number, since it is larger than the sum of its proper divisors (33211419).
38404125 is an equidigital number, since it uses as much as digits as its factorization.
38404125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3820 (or 3801 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 38404125 is about 6197.1061795002. The cubic root of 38404125 is about 337.3851461039.
The spelling of 38404125 in words is "thirty-eight million, four hundred four thousand, one hundred twenty-five".
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