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88213 = 175189
BaseRepresentation
bin10101100010010101
311111000011
4111202111
510310323
61520221
7515116
oct254225
9144004
1088213
1160304
1243071
13311c8
142420d
151b20d
hex15895

88213 has 4 divisors (see below), whose sum is σ = 93420. Its totient is φ = 83008.

The previous prime is 88211. The next prime is 88223. The reversal of 88213 is 31288.

88213 is nontrivially palindromic in base 4.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69169 + 19044 = 263^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 88213 - 21 = 88211 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88211) 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, 2578 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (23355).

288213 is an apocalyptic number.

It is an amenable number.

88213 is a deficient number, since it is larger than the sum of its proper divisors (5207).

88213 is a wasteful number, since it uses less digits than its factorization.

88213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206.

The product of its digits is 384, while the sum is 22.

The square root of 88213 is about 297.0067339304. The cubic root of 88213 is about 44.5154598475.

The spelling of 88213 in words is "eighty-eight thousand, two hundred thirteen".

Divisors: 1 17 5189 88213