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870232 = 231122931
BaseRepresentation
bin11010100011101011000
31122012201211
43110131120
5210321412
630352504
710253056
oct3243530
91565654
10870232
11544900
1235b734
1324613c
141891d6
15122ca7
hexd4758

870232 has 48 divisors (see below), whose sum is σ = 1915200. Its totient is φ = 369600.

The previous prime is 870229. The next prime is 870239. The reversal of 870232 is 232078.

It is a happy number.

870232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28057 + ... + 28087.

It is an arithmetic number, because the mean of its divisors is an integer number (39900).

2870232 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 870232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957600).

870232 is an abundant number, since it is smaller than the sum of its proper divisors (1044968).

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

870232 is a wasteful number, since it uses less digits than its factorization.

870232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 870232 is about 932.8622620730. The cubic root of 870232 is about 95.4725120307.

It can be divided in two parts, 87023 and 2, that added together give a square (87025 = 2952).

The spelling of 870232 in words is "eight hundred seventy thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 29 31 44 58 62 88 116 121 124 232 242 248 319 341 484 638 682 899 968 1276 1364 1798 2552 2728 3509 3596 3751 7018 7192 7502 9889 14036 15004 19778 28072 30008 39556 79112 108779 217558 435116 870232