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83387 = 611367
BaseRepresentation
bin10100010110111011
311020101102
4110112323
510132022
61442015
7465053
oct242673
9136342
1083387
1157717
124030b
132bc55
1422563
1519a92
hex145bb

83387 has 4 divisors (see below), whose sum is σ = 84816. Its totient is φ = 81960.

The previous prime is 83383. The next prime is 83389. The reversal of 83387 is 78338.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83387 - 22 = 83383 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (83383) 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, 623 + ... + 744.

It is an arithmetic number, because the mean of its divisors is an integer number (21204).

283387 is an apocalyptic number.

83387 is a deficient number, since it is larger than the sum of its proper divisors (1429).

83387 is a wasteful number, since it uses less digits than its factorization.

83387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its digits is 4032, while the sum is 29.

The square root of 83387 is about 288.7680730275. The cubic root of 83387 is about 43.6883976550.

The spelling of 83387 in words is "eighty-three thousand, three hundred eighty-seven".

Divisors: 1 61 1367 83387