Base | Representation |
---|---|
bin | 1001001010010… |
… | …1111000110010 |
3 | 2200022100121001 |
4 | 2102211320302 |
5 | 34314200320 |
6 | 3451352214 |
7 | 644430412 |
oct | 222457062 |
9 | 80270531 |
10 | 38428210 |
11 | 1a767757 |
12 | 10a5266a |
13 | 7c662b2 |
14 | 5164642 |
15 | 359120a |
hex | 24a5e32 |
38428210 has 16 divisors (see below), whose sum is σ = 69425496. Its totient is φ = 15314688.
The previous prime is 38428183. The next prime is 38428223. The reversal of 38428210 is 1282483.
It can be written as a sum of positive squares in 4 ways, for example, as 23980609 + 14447601 = 4897^2 + 3801^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4167 + ... + 9706.
Almost surely, 238428210 is an apocalyptic number.
38428210 is a deficient number, since it is larger than the sum of its proper divisors (30997286).
38428210 is a wasteful number, since it uses less digits than its factorization.
38428210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14157.
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 38428210 is about 6199.0491206313. The cubic root of 38428210 is about 337.4556612992.
The spelling of 38428210 in words is "thirty-eight million, four hundred twenty-eight thousand, two hundred ten".
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