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869686968 = 23344381799
BaseRepresentation
bin110011110101100…
…101111010111000
32020121110200020110
4303311211322320
53240114440333
6222144224320
730360134343
oct6365457270
92217420213
10869686968
11406a08767
1220330b0a0
1310b242097
148370945a
1551540063
hex33d65eb8

869686968 has 32 divisors (see below), whose sum is σ = 2179152000. Its totient is φ = 289237728.

The previous prime is 869686921. The next prime is 869687029.

869686968 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 869686899 and 869686908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30268 + ... + 51531.

It is an arithmetic number, because the mean of its divisors is an integer number (68098500).

Almost surely, 2869686968 is an apocalyptic number.

It is an amenable number.

869686968 is an abundant number, since it is smaller than the sum of its proper divisors (1309465032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869686968 is a wasteful number, since it uses less digits than its factorization.

869686968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82251 (or 82247 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 66.

The square root of 869686968 is about 29490.4555407339. The cubic root of 869686968 is about 954.5257618168.

The spelling of 869686968 in words is "eight hundred sixty-nine million, six hundred eighty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 443 886 1329 1772 2658 3544 5316 10632 81799 163598 245397 327196 490794 654392 981588 1963176 36236957 72473914 108710871 144947828 217421742 289895656 434843484 869686968