Search a number
89392 = 2437151
BaseRepresentation
bin10101110100110000
311112121211
4111310300
510330032
61525504
7521422
oct256460
9145554
1089392
1161186
1243894
13318c4
1424812
151b747
hex15d30

89392 has 20 divisors (see below), whose sum is σ = 179056. Its totient is φ = 43200.

The previous prime is 89387. The next prime is 89393. The reversal of 89392 is 29398.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89393) by changing a digit.

89392 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 3 ways as a sum of consecutive naturals, for example, 517 + ... + 667.

289392 is an apocalyptic number.

It is an amenable number.

89392 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (89528).

89392 is a wasteful number, since it uses less digits than its factorization.

89392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 190 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 89392 is about 298.9849494540. The cubic root of 89392 is about 44.7129047683.

The spelling of 89392 in words is "eighty-nine thousand, three hundred ninety-two".