Base | Representation |
---|---|
bin | 1011000111001111001001 |
3 | 12111000012020 |
4 | 23013033021 |
5 | 1221210400 |
6 | 142235053 |
7 | 33522240 |
oct | 13071711 |
9 | 5430166 |
10 | 2913225 |
11 | 170a827 |
12 | b85a89 |
13 | 7b0003 |
14 | 55b957 |
15 | 3c82a0 |
hex | 2c73c9 |
2913225 has 48 divisors (see below), whose sum is σ = 5713920. Its totient is φ = 1281600.
The previous prime is 2913223. The next prime is 2913233. The reversal of 2913225 is 5223192.
It is not a de Polignac number, because 2913225 - 21 = 2913223 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2913195 and 2913204.
It is not an unprimeable number, because it can be changed into a prime (2913223) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16186 + ... + 16364.
It is an arithmetic number, because the mean of its divisors is an integer number (119040).
22913225 is an apocalyptic number.
2913225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2913225 is a deficient number, since it is larger than the sum of its proper divisors (2800695).
2913225 is a wasteful number, since it uses less digits than its factorization.
2913225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230 (or 225 counting only the distinct ones).
The product of its digits is 1080, while the sum is 24.
The square root of 2913225 is about 1706.8172134121. The cubic root of 2913225 is about 142.8207609734.
The spelling of 2913225 in words is "two million, nine hundred thirteen thousand, two hundred twenty-five".
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