Base | Representation |
---|---|
bin | 1011000111011000100001 |
3 | 12111001000110 |
4 | 23013120201 |
5 | 1221220300 |
6 | 142241533 |
7 | 33524055 |
oct | 13073041 |
9 | 5431013 |
10 | 2913825 |
11 | 1710222 |
12 | b862a9 |
13 | 7b0375 |
14 | 55bc65 |
15 | 3c8550 |
hex | 2c7621 |
2913825 has 12 divisors (see below), whose sum is σ = 4817648. Its totient is φ = 1554000.
The previous prime is 2913811. The next prime is 2913863. The reversal of 2913825 is 5283192.
It is a happy number.
It is not a de Polignac number, because 2913825 - 27 = 2913697 is a prime.
It is a super-2 number, since 2×29138252 = 16980752261250, which contains 22 as substring.
It is a Duffinian number.
2913825 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2913792 and 2913801.
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, 19351 + ... + 19500.
22913825 is an apocalyptic number.
2913825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2913825 is a deficient number, since it is larger than the sum of its proper divisors (1903823).
2913825 is a wasteful number, since it uses less digits than its factorization.
2913825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38864 (or 38859 counting only the distinct ones).
The product of its digits is 4320, while the sum is 30.
The square root of 2913825 is about 1706.9929701085. The cubic root of 2913825 is about 142.8305652938.
The spelling of 2913825 in words is "two million, nine hundred thirteen thousand, eight hundred twenty-five".
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