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89912 = 2311239
BaseRepresentation
bin10101111100111000
311120100002
4111330320
510334122
61532132
7523064
oct257470
9146302
1089912
1161609
1244048
1331c04
1424aa4
151b992
hex15f38

89912 has 8 divisors (see below), whose sum is σ = 168600. Its totient is φ = 44952.

The previous prime is 89909. The next prime is 89917. The reversal of 89912 is 21998.

It can be divided in two parts, 89 and 912, that added together give a palindrome (1001).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612 + ... + 5627.

It is an arithmetic number, because the mean of its divisors is an integer number (21075).

289912 is an apocalyptic number.

It is an amenable number.

89912 is a deficient number, since it is larger than the sum of its proper divisors (78688).

89912 is a wasteful number, since it uses less digits than its factorization.

89912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245 (or 11241 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 89912 is about 299.8532974639. The cubic root of 89912 is about 44.7994366426.

The spelling of 89912 in words is "eighty-nine thousand, nine hundred twelve".

Divisors: 1 2 4 8 11239 22478 44956 89912