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23080669 = 169313633
BaseRepresentation
bin101100000001…
…0111011011101
31121102121201121
41120002323131
521402040134
62142410541
7400116403
oct130027335
947377647
1023080669
1112034937
127890a51
134a21701
1430cb473
15205dab4
hex1602edd

23080669 has 4 divisors (see below), whose sum is σ = 23095996. Its totient is φ = 23065344.

The previous prime is 23080667. The next prime is 23080693. The reversal of 23080669 is 96608032.

It is a happy number.

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 12602500 + 10478169 = 3550^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 23080669 - 21 = 23080667 is a prime.

It is a super-2 number, since 2×230806692 = 1065434562975122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23080667) 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 3 ways as a sum of consecutive naturals, for example, 5124 + ... + 8509.

It is an arithmetic number, because the mean of its divisors is an integer number (5773999).

Almost surely, 223080669 is an apocalyptic number.

It is an amenable number.

23080669 is a deficient number, since it is larger than the sum of its proper divisors (15327).

23080669 is a wasteful number, since it uses less digits than its factorization.

23080669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 23080669 is about 4804.2344863672. The cubic root of 23080669 is about 284.7187910543.

The spelling of 23080669 in words is "twenty-three million, eighty thousand, six hundred sixty-nine".

Divisors: 1 1693 13633 23080669