Base | Representation |
---|---|
bin | 1001000111111… |
… | …0111101110110 |
3 | 2200000020220121 |
4 | 2101332331312 |
5 | 34244100130 |
6 | 3444122154 |
7 | 643164550 |
oct | 221767566 |
9 | 80006817 |
10 | 38268790 |
11 | 1a6689aa |
12 | 1099635a |
13 | 7c0b871 |
14 | 51224d0 |
15 | 355dd7a |
hex | 247ef76 |
38268790 has 32 divisors (see below), whose sum is σ = 79813440. Its totient is φ = 12939264.
The previous prime is 38268781. The next prime is 38268817. The reversal of 38268790 is 9786283.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1366 + ... + 8854.
It is an arithmetic number, because the mean of its divisors is an integer number (2494170).
Almost surely, 238268790 is an apocalyptic number.
38268790 is an abundant number, since it is smaller than the sum of its proper divisors (41544650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38268790 is a wasteful number, since it uses less digits than its factorization.
38268790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7576.
The product of its (nonzero) digits is 145152, while the sum is 43.
The square root of 38268790 is about 6186.1773333780. The cubic root of 38268790 is about 336.9883679032.
The spelling of 38268790 in words is "thirty-eight million, two hundred sixty-eight thousand, seven hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.119 sec. • engine limits •