Base | Representation |
---|---|
bin | 1001001010011… |
… | …0011101100100 |
3 | 2200022110211020 |
4 | 2102212131210 |
5 | 34314234224 |
6 | 3451411140 |
7 | 644440314 |
oct | 222463544 |
9 | 80273736 |
10 | 38430564 |
11 | 1a7694a7 |
12 | 10a53ab0 |
13 | 7c673a3 |
14 | 5165444 |
15 | 3591c79 |
hex | 24a6764 |
38430564 has 24 divisors (see below), whose sum is σ = 89896128. Its totient is φ = 12778080.
The previous prime is 38430547. The next prime is 38430569. The reversal of 38430564 is 46503483.
It is not an unprimeable number, because it can be changed into a prime (38430569) 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, 1249 + ... + 8855.
It is an arithmetic number, because the mean of its divisors is an integer number (3745672).
Almost surely, 238430564 is an apocalyptic number.
It is an amenable number.
38430564 is an abundant number, since it is smaller than the sum of its proper divisors (51465564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38430564 is a wasteful number, since it uses less digits than its factorization.
38430564 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8035 (or 8033 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 33.
The square root of 38430564 is about 6199.2389855530. The cubic root of 38430564 is about 337.4625516749.
The spelling of 38430564 in words is "thirty-eight million, four hundred thirty thousand, five hundred sixty-four".
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