Base | Representation |
---|---|
bin | 1001011101001010… |
… | …0101011001101000 |
3 | 20112220010111220101 |
4 | 2113102211121220 |
5 | 20144241401100 |
6 | 1055511035144 |
7 | 116620416355 |
oct | 22722453150 |
9 | 6486114811 |
10 | 2538231400 |
11 | 1092846901 |
12 | 5aa06bab4 |
13 | 315b26c93 |
14 | 1a116362c |
15 | ecc7d86a |
hex | 974a5668 |
2538231400 has 48 divisors (see below), whose sum is σ = 5907434400. Its totient is φ = 1014252480.
The previous prime is 2538231349. The next prime is 2538231431. The reversal of 2538231400 is 41328352.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206631 + ... + 218569.
It is an arithmetic number, because the mean of its divisors is an integer number (123071550).
Almost surely, 22538231400 is an apocalyptic number.
2538231400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2538231400 is an abundant number, since it is smaller than the sum of its proper divisors (3369203000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2538231400 is a wasteful number, since it uses less digits than its factorization.
2538231400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13018 (or 13009 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 2538231400 is about 50380.8634304733. The cubic root of 2538231400 is about 1364.0922372646.
Adding to 2538231400 its reverse (41328352), we get a palindrome (2579559752).
It can be divided in two parts, 253 and 8231400, that added together give a triangular number (8231653 = T4057).
The spelling of 2538231400 in words is "two billion, five hundred thirty-eight million, two hundred thirty-one thousand, four hundred".
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