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88013 = 283311
BaseRepresentation
bin10101011111001101
311110201202
4111133031
510304023
61515245
7514412
oct253715
9143652
1088013
1160142
1242b25
13310a3
1424109
151b128
hex157cd

88013 has 4 divisors (see below), whose sum is σ = 88608. Its totient is φ = 87420.

The previous prime is 88007. The next prime is 88019. The reversal of 88013 is 31088.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (88007) and next prime (88019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88013 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 438.

It is an arithmetic number, because the mean of its divisors is an integer number (22152).

288013 is an apocalyptic number.

It is an amenable number.

88013 is a deficient number, since it is larger than the sum of its proper divisors (595).

88013 is a wasteful number, since it uses less digits than its factorization.

88013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 88013 is about 296.6698501702. The cubic root of 88013 is about 44.4817919870.

The spelling of 88013 in words is "eighty-eight thousand, thirteen".

Divisors: 1 283 311 88013