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86893 = 312803
BaseRepresentation
bin10101001101101101
311102012021
4111031231
510240033
61510141
7511222
oct251555
9142167
1086893
115a314
1242351
1330721
1423949
151ab2d
hex1536d

86893 has 4 divisors (see below), whose sum is σ = 89728. Its totient is φ = 84060.

The previous prime is 86869. The next prime is 86923. The reversal of 86893 is 39868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86893 - 25 = 86861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86813) 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, 1371 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (22432).

286893 is an apocalyptic number.

It is an amenable number.

86893 is a deficient number, since it is larger than the sum of its proper divisors (2835).

86893 is a wasteful number, since it uses less digits than its factorization.

86893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834.

The product of its digits is 10368, while the sum is 34.

The square root of 86893 is about 294.7761862838. The cubic root of 86893 is about 44.2923031671.

It can be divided in two parts, 868 and 93, that added together give a square (961 = 312).

The spelling of 86893 in words is "eighty-six thousand, eight hundred ninety-three".

Divisors: 1 31 2803 86893