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868252 = 227112819
BaseRepresentation
bin11010011111110011100
31122010000111
43103332130
5210241002
630335404
710244230
oct3237634
91563014
10868252
11543370
1235a564
13245278
141885c0
151223d7
hexd3f9c

868252 has 24 divisors (see below), whose sum is σ = 1895040. Its totient is φ = 338160.

The previous prime is 868249. The next prime is 868267. The reversal of 868252 is 252868.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (78960).

2868252 is an apocalyptic number.

It is an amenable number.

868252 is an abundant number, since it is smaller than the sum of its proper divisors (1026788).

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

868252 is a wasteful number, since it uses less digits than its factorization.

868252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2839 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 868252 is about 931.8004078127. The cubic root of 868252 is about 95.4000489315.

It can be divided in two parts, 86 and 8252, that added together give a palindrome (8338).

The spelling of 868252 in words is "eight hundred sixty-eight thousand, two hundred fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 2819 5638 11276 19733 31009 39466 62018 78932 124036 217063 434126 868252