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23320213 = 719916741
BaseRepresentation
bin101100011110…
…1011010010101
31121212210022121
41120331122111
521432221323
62151455541
7402134650
oct130753225
947783277
1023320213
1112188904
1279875b1
134aa6757
143150897
1520a9a5d
hex163d695

23320213 has 8 divisors (see below), whose sum is σ = 26787200. Its totient is φ = 19887120.

The previous prime is 23320181. The next prime is 23320237. The reversal of 23320213 is 31202332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23320213 - 25 = 23320181 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 (23320313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6978 + ... + 9763.

It is an arithmetic number, because the mean of its divisors is an integer number (3348400).

Almost surely, 223320213 is an apocalyptic number.

It is an amenable number.

23320213 is a deficient number, since it is larger than the sum of its proper divisors (3466987).

23320213 is a wasteful number, since it uses less digits than its factorization.

23320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16947.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23320213 is about 4829.1006409061. The cubic root of 23320213 is about 285.7003928840.

Adding to 23320213 its reverse (31202332), we get a palindrome (54522545).

The spelling of 23320213 in words is "twenty-three million, three hundred twenty thousand, two hundred thirteen".

Divisors: 1 7 199 1393 16741 117187 3331459 23320213