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872872239 = 33183113081
BaseRepresentation
bin110100000001101…
…111100100101111
32020211110111121110
4310001233210233
53241423402424
6222340403103
730426202011
oct6401574457
92224414543
10872872239
11408793918
122043a6493
1310bab8b65
1483cd81b1
155196dc29
hex3406f92f

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".

Divisors: 1 3 31 83 93 249 2573 7719 113081 339243 3505511 9385723 10516533 28157169 290957413 872872239