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84912 = 2432961
BaseRepresentation
bin10100101110110000
311022110220
4110232300
510204122
61453040
7502362
oct245660
9138426
1084912
1158883
1241180
132c859
1422d32
151a25c
hex14bb0

84912 has 40 divisors (see below), whose sum is σ = 230640. Its totient is φ = 26880.

The previous prime is 84871. The next prime is 84913. The reversal of 84912 is 21948.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (84913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (5766).

284912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115320).

84912 is an abundant number, since it is smaller than the sum of its proper divisors (145728).

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

84912 is a wasteful number, since it uses less digits than its factorization.

84912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 95 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 84912 is about 291.3966369058. The cubic root of 84912 is about 43.9531181093.

It can be divided in two parts, 849 and 12, that added together give a triangular number (861 = T41).

The spelling of 84912 in words is "eighty-four thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 61 87 116 122 174 183 232 244 348 366 464 488 696 732 976 1392 1464 1769 2928 3538 5307 7076 10614 14152 21228 28304 42456 84912