Base | Representation |
---|---|
bin | 1001110000100001001111 |
3 | 11210221221220 |
4 | 21300201033 |
5 | 1123324111 |
6 | 130454423 |
7 | 30512550 |
oct | 11604117 |
9 | 4727856 |
10 | 2558031 |
11 | 1497983 |
12 | a34413 |
13 | 6b7438 |
14 | 4a8327 |
15 | 357e06 |
hex | 27084f |
2558031 has 16 divisors (see below), whose sum is σ = 3994368. Its totient is φ = 1425600.
The previous prime is 2558029. The next prime is 2558047. The reversal of 2558031 is 1308552.
It is not a de Polignac number, because 2558031 - 21 = 2558029 is a prime.
It is a super-2 number, since 2×25580312 = 13087045193922, which contains 22 as substring.
2558031 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2557992 and 2558010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2558011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625 + ... + 2346.
It is an arithmetic number, because the mean of its divisors is an integer number (249648).
22558031 is an apocalyptic number.
2558031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2558031 is a deficient number, since it is larger than the sum of its proper divisors (1436337).
2558031 is a wasteful number, since it uses less digits than its factorization.
2558031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3022.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 2558031 is about 1599.3845691390. The cubic root of 2558031 is about 136.7629944193.
The spelling of 2558031 in words is "two million, five hundred fifty-eight thousand, thirty-one".
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