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83107 = 412027
BaseRepresentation
bin10100010010100011
311020000001
4110102203
510124412
61440431
7464203
oct242243
9136001
1083107
1157492
1240117
132ba9b
1422403
1519957
hex144a3

83107 has 4 divisors (see below), whose sum is σ = 85176. Its totient is φ = 81040.

The previous prime is 83101. The next prime is 83117. The reversal of 83107 is 70138.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70138 = 235069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973 + ... + 1054.

It is an arithmetic number, because the mean of its divisors is an integer number (21294).

283107 is an apocalyptic number.

83107 is a deficient number, since it is larger than the sum of its proper divisors (2069).

83107 is a wasteful number, since it uses less digits than its factorization.

83107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 83107 is about 288.2828472178. The cubic root of 83107 is about 43.6394433064.

It can be divided in two parts, 83 and 107, that added together give a triangular number (190 = T19).

The spelling of 83107 in words is "eighty-three thousand, one hundred seven".

Divisors: 1 41 2027 83107