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872372 = 221712829
BaseRepresentation
bin11010100111110110100
31122022200002
43110332310
5210403442
630410432
710262234
oct3247664
91568602
10872372
11546476
12360a18
132470c7
14189cc4
15123732
hexd4fb4

872372 has 12 divisors (see below), whose sum is σ = 1616580. Its totient is φ = 410496.

The previous prime is 872369. The next prime is 872381. The reversal of 872372 is 273278.

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 190096 = 826^2 + 436^2 .

It is a super-2 number, since 2×8723722 = 1522065812768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6347 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (134715).

2872372 is an apocalyptic number.

It is an amenable number.

872372 is a deficient number, since it is larger than the sum of its proper divisors (744208).

872372 is a wasteful number, since it uses less digits than its factorization.

872372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12850 (or 12848 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 872372 is about 934.0085652712. The cubic root of 872372 is about 95.5507072435.

The spelling of 872372 in words is "eight hundred seventy-two thousand, three hundred seventy-two".

Divisors: 1 2 4 17 34 68 12829 25658 51316 218093 436186 872372