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89572 = 2272457
BaseRepresentation
bin10101110111100100
311112212111
4111313210
510331242
61530404
7522100
oct256744
9145774
1089572
116132a
1243a04
1331a02
1424900
151b817
hex15de4

89572 has 18 divisors (see below), whose sum is σ = 182742. Its totient is φ = 38304.

The previous prime is 89567. The next prime is 89591. The reversal of 89572 is 27598.

It can be written as a sum of positive squares in only one way, i.e., 86436 + 3136 = 294^2 + 56^2 .

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

89572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33 + ... + 424.

289572 is an apocalyptic number.

It is an amenable number.

89572 is an abundant number, since it is smaller than the sum of its proper divisors (93170).

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

89572 is a wasteful number, since it uses less digits than its factorization.

89572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 466 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 89572 is about 299.2858165700. The cubic root of 89572 is about 44.7428959937.

The spelling of 89572 in words is "eighty-nine thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 49 98 196 457 914 1828 3199 6398 12796 22393 44786 89572