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872442 = 232192551
BaseRepresentation
bin11010100111111111010
31122022202200
43110333322
5210404232
630411030
710262364
oct3247772
91568680
10872442
1154652a
12360a76
1324714c
14189d34
1512377c
hexd4ffa

872442 has 24 divisors (see below), whose sum is σ = 1990560. Its totient is φ = 275400.

The previous prime is 872441. The next prime is 872453. The reversal of 872442 is 244278.

It is a super-2 number, since 2×8724422 = 1522310086728, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (872441) 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, 934 + ... + 1617.

It is an arithmetic number, because the mean of its divisors is an integer number (82940).

2872442 is an apocalyptic number.

872442 is an abundant number, since it is smaller than the sum of its proper divisors (1118118).

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

872442 is a wasteful number, since it uses less digits than its factorization.

872442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2575 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 872442 is about 934.0460374093. The cubic root of 872442 is about 95.5532628699.

The spelling of 872442 in words is "eight hundred seventy-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 2551 5102 7653 15306 22959 45918 48469 96938 145407 290814 436221 872442