Base | Representation |
---|---|
bin | 111000000001110… |
… | …001100010010101 |
3 | 2102111202101200122 |
4 | 320001301202111 |
5 | 3411114123031 |
6 | 233135121325 |
7 | 32202530060 |
oct | 7001614225 |
9 | 2374671618 |
10 | 939989141 |
11 | 442665833 |
12 | 222973245 |
13 | 11c9882c0 |
14 | 8cba98d7 |
15 | 577ca47b |
hex | 38071895 |
939989141 has 16 divisors (see below), whose sum is σ = 1158259200. Its totient is φ = 742860288.
The previous prime is 939989129. The next prime is 939989189. The reversal of 939989141 is 141989939.
It is a cyclic number.
It is not a de Polignac number, because 939989141 - 214 = 939972757 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (939989101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78980 + ... + 90098.
It is an arithmetic number, because the mean of its divisors is an integer number (72391200).
Almost surely, 2939989141 is an apocalyptic number.
939989141 is a gapful number since it is divisible by the number (91) formed by its first and last digit.
It is an amenable number.
939989141 is a deficient number, since it is larger than the sum of its proper divisors (218270059).
939989141 is a wasteful number, since it uses less digits than its factorization.
939989141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12068.
The product of its digits is 629856, while the sum is 53.
The square root of 939989141 is about 30659.2423422367. The cubic root of 939989141 is about 979.5823365998.
The spelling of 939989141 in words is "nine hundred thirty-nine million, nine hundred eighty-nine thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •