Base | Representation |
---|---|
bin | 1001110101001100… |
… | …0010100101100000 |
3 | 20210220202210222011 |
4 | 2131103002211200 |
5 | 20401041423430 |
6 | 1113511122304 |
7 | 122253152032 |
oct | 23523024540 |
9 | 6726683864 |
10 | 2639014240 |
11 | 1134722505 |
12 | 617973394 |
13 | 330982bb5 |
14 | 1b06b9c52 |
15 | 106a3a22a |
hex | 9d4c2960 |
2639014240 has 48 divisors (see below), whose sum is σ = 6320105568. Its totient is φ = 1041140736.
The previous prime is 2639014237. The next prime is 2639014243. The reversal of 2639014240 is 424109362.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2639014237) and next prime (2639014243).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2639014243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101292 + ... + 124651.
It is an arithmetic number, because the mean of its divisors is an integer number (131668866).
Almost surely, 22639014240 is an apocalyptic number.
2639014240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2639014240 is an abundant number, since it is smaller than the sum of its proper divisors (3681091328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2639014240 is a wasteful number, since it uses less digits than its factorization.
2639014240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226031 (or 226023 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 2639014240 is about 51371.3367550427. The cubic root of 2639014240 is about 1381.9126039105.
The spelling of 2639014240 in words is "two billion, six hundred thirty-nine million, fourteen thousand, two hundred forty".
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