Base | Representation |
---|---|
bin | 1001000111011… |
… | …1011100110100 |
3 | 2122221200200101 |
4 | 2101313130310 |
5 | 34242104004 |
6 | 3443323444 |
7 | 643006030 |
oct | 221673464 |
9 | 78850611 |
10 | 38238004 |
11 | 1a647862 |
12 | 10980584 |
13 | 7bca84c |
14 | 51151c0 |
15 | 3554ba4 |
hex | 2477734 |
38238004 has 24 divisors (see below), whose sum is σ = 78944768. Its totient is φ = 15858720.
The previous prime is 38238001. The next prime is 38238023. The reversal of 38238004 is 40083283.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38238001) 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, 21159 + ... + 22894.
Almost surely, 238238004 is an apocalyptic number.
It is an amenable number.
38238004 is an abundant number, since it is smaller than the sum of its proper divisors (40706764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38238004 is a wasteful number, since it uses less digits than its factorization.
38238004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44095 (or 44093 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
The square root of 38238004 is about 6183.6885432564. The cubic root of 38238004 is about 336.8979782574.
The spelling of 38238004 in words is "thirty-eight million, two hundred thirty-eight thousand, four".
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