Base | Representation |
---|---|
bin | 1001000100100… |
… | …0100010000110 |
3 | 2122120221001211 |
4 | 2101020202012 |
5 | 34214431310 |
6 | 3435242034 |
7 | 641245534 |
oct | 221104206 |
9 | 78527054 |
10 | 38045830 |
11 | 1a526439 |
12 | 108a931a |
13 | 7b61234 |
14 | 50a5154 |
15 | 3517c8a |
hex | 2448886 |
38045830 has 32 divisors (see below), whose sum is σ = 73008864. Its totient is φ = 14224896.
The previous prime is 38045803. The next prime is 38045837. The reversal of 38045830 is 3854083.
It is a junction number, because it is equal to n+sod(n) for n = 38045792 and 38045801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38045837) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27024 + ... + 28396.
It is an arithmetic number, because the mean of its divisors is an integer number (2281527).
Almost surely, 238045830 is an apocalyptic number.
38045830 is a deficient number, since it is larger than the sum of its proper divisors (34963034).
38045830 is a wasteful number, since it uses less digits than its factorization.
38045830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1560.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 38045830 is about 6168.1301866935. The cubic root of 38045830 is about 336.3326436902.
The spelling of 38045830 in words is "thirty-eight million, forty-five thousand, eight hundred thirty".
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