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872248 = 23138387
BaseRepresentation
bin11010100111100111000
31122022111111
43110330320
5210402443
630410104
710261666
oct3247470
91568444
10872248
11546373
12360934
13247030
14189c36
1512369d
hexd4f38

872248 has 16 divisors (see below), whose sum is σ = 1761480. Its totient is φ = 402528.

The previous prime is 872243. The next prime is 872251. The reversal of 872248 is 842278.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090 + ... + 4297.

2872248 is an apocalyptic number.

It is an amenable number.

872248 is an abundant number, since it is smaller than the sum of its proper divisors (889232).

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

872248 is a wasteful number, since it uses less digits than its factorization.

872248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406 (or 8402 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 872248 is about 933.9421823646. The cubic root of 872248 is about 95.5461797984.

The spelling of 872248 in words is "eight hundred seventy-two thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 8387 16774 33548 67096 109031 218062 436124 872248