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872238 = 23373929
BaseRepresentation
bin11010100111100101110
31122022111010
43110330232
5210402423
630410050
710261653
oct3247456
91568433
10872238
11546364
12360926
13247023
14189c2a
15123693
hexd4f2e

872238 has 16 divisors (see below), whose sum is σ = 1792080. Its totient is φ = 282816.

The previous prime is 872237. The next prime is 872243. The reversal of 872238 is 832278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743 + ... + 2186.

It is an arithmetic number, because the mean of its divisors is an integer number (112005).

2872238 is an apocalyptic number.

872238 is an abundant number, since it is smaller than the sum of its proper divisors (919842).

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

872238 is a wasteful number, since it uses less digits than its factorization.

872238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its digits is 5376, while the sum is 30.

The square root of 872238 is about 933.9368286988. The cubic root of 872238 is about 95.5458146632.

The spelling of 872238 in words is "eight hundred seventy-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 37 74 111 222 3929 7858 11787 23574 145373 290746 436119 872238