Search a number
-
+
869087232 = 2113413231
BaseRepresentation
bin110011110011010…
…011100000000000
32020120100012120000
4303303103200000
53234441242412
6222123320000
730352056006
oct6363234000
92216305500
10869087232
11406639112
12203080000
1310b092100
14835d0a76
15514724dc
hex33cd3800

869087232 has 360 divisors, whose sum is σ = 2901618720. Its totient is φ = 258785280.

The previous prime is 869087207. The next prime is 869087251. The reversal of 869087232 is 232780968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 28035057 + ... + 28035087.

It is an arithmetic number, because the mean of its divisors is an integer number (8060052).

Almost surely, 2869087232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869087232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450809360).

869087232 is an abundant number, since it is smaller than the sum of its proper divisors (2032531488).

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

869087232 is a wasteful number, since it uses less digits than its factorization.

869087232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 869087232 is about 29480.2854803002. The cubic root of 869087232 is about 954.3062977552.

The spelling of 869087232 in words is "eight hundred sixty-nine million, eighty-seven thousand, two hundred thirty-two".