Base | Representation |
---|---|
bin | 1011000111001101100101 |
3 | 12111000001112 |
4 | 23013031211 |
5 | 1221210000 |
6 | 142234405 |
7 | 33522035 |
oct | 13071545 |
9 | 5430045 |
10 | 2913125 |
11 | 170a746 |
12 | b85a05 |
13 | 7acc57 |
14 | 55b8c5 |
15 | 3c8235 |
hex | 2c7365 |
2913125 has 20 divisors (see below), whose sum is σ = 3748800. Its totient is φ = 2262000.
The previous prime is 2913083. The next prime is 2913139. The reversal of 2913125 is 5213192.
It is not a de Polignac number, because 2913125 - 214 = 2896741 is a prime.
It is an Ulam number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2913125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36836 + ... + 36914.
It is an arithmetic number, because the mean of its divisors is an integer number (187440).
22913125 is an apocalyptic number.
2913125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2913125 is a deficient number, since it is larger than the sum of its proper divisors (835675).
2913125 is an frugal number, since it uses more digits than its factorization.
2913125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158 (or 143 counting only the distinct ones).
The product of its digits is 540, while the sum is 23.
The square root of 2913125 is about 1706.7879188698. The cubic root of 2913125 is about 142.8191267891.
The spelling of 2913125 in words is "two million, nine hundred thirteen thousand, one hundred twenty-five".
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