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23320105 = 531714713
BaseRepresentation
bin101100011110…
…1011000101001
31121212210011121
41120331120221
521432220410
62151455241
7402134434
oct130753051
947783147
1023320105
1112188816
127987521
134aa66a3
14315081b
1520a99da
hex163d629

23320105 has 8 divisors (see below), whose sum is σ = 28074312. Its totient is φ = 18595968.

The previous prime is 23320097. The next prime is 23320109. The reversal of 23320105 is 50102332.

23320105 = T214 + T215 + ... + T530.

It can be written as a sum of positive squares in 4 ways, for example, as 700569 + 22619536 = 837^2 + 4756^2 .

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 23320105 - 23 = 23320097 is a prime.

It is a super-2 number, since 2×233201052 = 1087654594422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23320109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5772 + ... + 8941.

It is an arithmetic number, because the mean of its divisors is an integer number (3509289).

Almost surely, 223320105 is an apocalyptic number.

It is an amenable number.

23320105 is a deficient number, since it is larger than the sum of its proper divisors (4754207).

23320105 is a wasteful number, since it uses less digits than its factorization.

23320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15035.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 23320105 is about 4829.0894586868. The cubic root of 23320105 is about 285.6999518404.

Adding to 23320105 its reverse (50102332), we get a palindrome (73422437).

The spelling of 23320105 in words is "twenty-three million, three hundred twenty thousand, one hundred five".

Divisors: 1 5 317 1585 14713 73565 4664021 23320105