Search a number
-
+
872752269 = 331103179509
BaseRepresentation
bin110100000001010…
…010010010001101
32020211020102001010
4310001102102031
53241411033034
6222334035433
730425162154
oct6401222215
92224212033
10872752269
11408711774
12204348b79
1310ba7637c
1483ca659b
15519483e9
hex3405248d

872752269 has 32 divisors (see below), whose sum is σ = 1222041600. Its totient is φ = 553394880.

The previous prime is 872752267. The next prime is 872752291. The reversal of 872752269 is 962257278.

It is not a de Polignac number, because 872752269 - 21 = 872752267 is a prime.

It is a super-2 number, since 2×8727522692 = 1523393046089296722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872752267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1714387 + ... + 1714895.

It is an arithmetic number, because the mean of its divisors is an integer number (38188800).

Almost surely, 2872752269 is an apocalyptic number.

It is an amenable number.

872752269 is a deficient number, since it is larger than the sum of its proper divisors (349289331).

872752269 is a wasteful number, since it uses less digits than its factorization.

872752269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825.

The product of its digits is 846720, while the sum is 48.

The square root of 872752269 is about 29542.3808959264. The cubic root of 872752269 is about 955.6458881917.

The spelling of 872752269 in words is "eight hundred seventy-two million, seven hundred fifty-two thousand, two hundred sixty-nine".

Divisors: 1 3 31 93 103 179 309 509 537 1527 3193 5549 9579 15779 16647 18437 47337 52427 55311 91111 157281 273333 571547 1625237 1714641 2824441 4875711 8473323 9384433 28153299 290917423 872752269