Base | Representation |
---|---|
bin | 1010111101010111000111 |
3 | 12101221201002 |
4 | 22331113013 |
5 | 1213412100 |
6 | 141323515 |
7 | 33263303 |
oct | 12752707 |
9 | 5357632 |
10 | 2872775 |
11 | 16923a4 |
12 | b6659b |
13 | 797789 |
14 | 54ad03 |
15 | 3bb2d5 |
hex | 2bd5c7 |
2872775 has 12 divisors (see below), whose sum is σ = 3590544. Its totient is φ = 2280000.
The previous prime is 2872763. The next prime is 2872777. The reversal of 2872775 is 5772782.
It is not a de Polignac number, because 2872775 - 216 = 2807239 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2872777) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3395 + ... + 4155.
It is an arithmetic number, because the mean of its divisors is an integer number (299212).
22872775 is an apocalyptic number.
2872775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2872775 is a deficient number, since it is larger than the sum of its proper divisors (717769).
2872775 is a wasteful number, since it uses less digits than its factorization.
2872775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 922 (or 917 counting only the distinct ones).
The product of its digits is 54880, while the sum is 38.
The square root of 2872775 is about 1694.9262520830. The cubic root of 2872775 is about 142.1566577632.
The spelling of 2872775 in words is "two million, eight hundred seventy-two thousand, seven hundred seventy-five".
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