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89672 = 23111019
BaseRepresentation
bin10101111001001000
311120000012
4111321020
510332142
61531052
7522302
oct257110
9146005
1089672
1161410
1243a88
1331a7b
1424972
151b882
hex15e48

89672 has 16 divisors (see below), whose sum is σ = 183600. Its totient is φ = 40720.

The previous prime is 89671. The next prime is 89681. The reversal of 89672 is 27698.

Added to its reverse (27698) it gives a triangular number (117370 = T484).

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89672.

It is not an unprimeable number, because it can be changed into a prime (89671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 597.

It is an arithmetic number, because the mean of its divisors is an integer number (11475).

289672 is an apocalyptic number.

It is an amenable number.

89672 is an abundant number, since it is smaller than the sum of its proper divisors (93928).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91800).

89672 is a wasteful number, since it uses less digits than its factorization.

89672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1032 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 89672 is about 299.4528343496. The cubic root of 89672 is about 44.7595404271.

Adding to 89672 its reverse (27698), we get a triangular number (117370 = T484).

The spelling of 89672 in words is "eighty-nine thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 1019 2038 4076 8152 11209 22418 44836 89672