Base | Representation |
---|---|
bin | 110100000001101… |
… | …111100100101111 |
3 | 2020211110111121110 |
4 | 310001233210233 |
5 | 3241423402424 |
6 | 222340403103 |
7 | 30426202011 |
oct | 6401574457 |
9 | 2224414543 |
10 | 872872239 |
11 | 408793918 |
12 | 2043a6493 |
13 | 10bab8b65 |
14 | 83cd81b1 |
15 | 5196dc29 |
hex | 3406f92f |
872872239 has 16 divisors (see below), whose sum is σ = 1215857664. Its totient is φ = 556353600.
The previous prime is 872872237. The next prime is 872872243. The reversal of 872872239 is 932278278.
It is not a de Polignac number, because 872872239 - 21 = 872872237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (872872237) 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, 48822 + ... + 64259.
It is an arithmetic number, because the mean of its divisors is an integer number (75991104).
Almost surely, 2872872239 is an apocalyptic number.
872872239 is a deficient number, since it is larger than the sum of its proper divisors (342985425).
872872239 is a wasteful number, since it uses less digits than its factorization.
872872239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113198.
The product of its digits is 677376, while the sum is 48.
The square root of 872872239 is about 29544.4112989242. The cubic root of 872872239 is about 955.6896744177.
The spelling of 872872239 in words is "eight hundred seventy-two million, eight hundred seventy-two thousand, two hundred thirty-nine".
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