Base | Representation |
---|---|
bin | 1001000100000… |
… | …0110000000111 |
3 | 2122112022100102 |
4 | 2101000300013 |
5 | 34212421314 |
6 | 3434434315 |
7 | 641053604 |
oct | 221006007 |
9 | 78468312 |
10 | 38013959 |
11 | 1a5044a5 |
12 | 1089299b |
13 | 7b4c889 |
14 | 50976ab |
15 | 350d5de |
hex | 2440c07 |
38013959 has 2 divisors, whose sum is σ = 38013960. Its totient is φ = 38013958.
The previous prime is 38013907. The next prime is 38014013. The reversal of 38013959 is 95931083.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38013959 is a prime.
It is a super-2 number, since 2×380139592 = 2890122157707362, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38013359) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19006979 + 19006980.
It is an arithmetic number, because the mean of its divisors is an integer number (19006980).
Almost surely, 238013959 is an apocalyptic number.
38013959 is a deficient number, since it is larger than the sum of its proper divisors (1).
38013959 is an equidigital number, since it uses as much as digits as its factorization.
38013959 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 29160, while the sum is 38.
The square root of 38013959 is about 6165.5461234184. The cubic root of 38013959 is about 336.2387021443.
The spelling of 38013959 in words is "thirty-eight million, thirteen thousand, nine hundred fifty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •