Base | Representation |
---|---|
bin | 11100011110101… |
… | …01000000100111 |
3 | 121122112100010222 |
4 | 32033111000213 |
5 | 442124233424 |
6 | 35412234555 |
7 | 5630416145 |
oct | 1617250047 |
9 | 548470128 |
10 | 238899239 |
11 | 112941597 |
12 | 6800ba5b |
13 | 3a656ac7 |
14 | 23a2a595 |
15 | 15e8ee5e |
hex | e3d5027 |
238899239 has 12 divisors (see below), whose sum is σ = 245001960. Its totient is φ = 232923600.
The previous prime is 238899211. The next prime is 238899247. The reversal of 238899239 is 932998832.
It is a happy number.
238899239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 238899239 - 224 = 222122023 is a prime.
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238899209) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630152 + ... + 630530.
It is an arithmetic number, because the mean of its divisors is an integer number (20416830).
Almost surely, 2238899239 is an apocalyptic number.
238899239 is a deficient number, since it is larger than the sum of its proper divisors (6102721).
238899239 is an equidigital number, since it uses as much as digits as its factorization.
238899239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 638 (or 559 counting only the distinct ones).
The product of its digits is 1679616, while the sum is 53.
The square root of 238899239 is about 15456.3656465548. The cubic root of 238899239 is about 620.4949559602.
The spelling of 238899239 in words is "two hundred thirty-eight million, eight hundred ninety-nine thousand, two hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •