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84907 = 197431
BaseRepresentation
bin10100101110101011
311022110201
4110232223
510204112
61453031
7502354
oct245653
9138421
1084907
1158879
1241177
132c854
1422d2b
151a257
hex14bab

84907 has 4 divisors (see below), whose sum is σ = 85536. Its totient is φ = 84280.

The previous prime is 84871. The next prime is 84913. The reversal of 84907 is 70948.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-84907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84947) 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, 19 + ... + 412.

It is an arithmetic number, because the mean of its divisors is an integer number (21384).

284907 is an apocalyptic number.

84907 is a deficient number, since it is larger than the sum of its proper divisors (629).

84907 is a wasteful number, since it uses less digits than its factorization.

84907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 84907 is about 291.3880574080. The cubic root of 84907 is about 43.9522553733.

The spelling of 84907 in words is "eighty-four thousand, nine hundred seven".

Divisors: 1 197 431 84907