Base | Representation |
---|---|
bin | 1001000101101… |
… | …0000001000010 |
3 | 2122201120022010 |
4 | 2101122001002 |
5 | 34224224232 |
6 | 3440553350 |
7 | 641664366 |
oct | 221320102 |
9 | 78646263 |
10 | 38117442 |
11 | 1a575220 |
12 | 10922856 |
13 | 7b879cc |
14 | 50c32a6 |
15 | 352e0cc |
hex | 245a042 |
38117442 has 16 divisors (see below), whose sum is σ = 83165472. Its totient is φ = 11550720.
The previous prime is 38117419. The next prime is 38117449. The reversal of 38117442 is 24471183.
It is not an unprimeable number, because it can be changed into a prime (38117449) 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, 288703 + ... + 288834.
It is an arithmetic number, because the mean of its divisors is an integer number (5197842).
Almost surely, 238117442 is an apocalyptic number.
38117442 is an abundant number, since it is smaller than the sum of its proper divisors (45048030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38117442 is a wasteful number, since it uses less digits than its factorization.
38117442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 577553.
The product of its digits is 5376, while the sum is 30.
The square root of 38117442 is about 6173.9324583283. The cubic root of 38117442 is about 336.5435328328.
The spelling of 38117442 in words is "thirty-eight million, one hundred seventeen thousand, four hundred forty-two".
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