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23380269 = 311708493
BaseRepresentation
bin101100100110…
…0000100101101
31121222211200220
41121030010231
521441132034
62153041553
7402505023
oct131140455
947884626
1023380269
1112219a40
1279b62b9
134ac7ba3
143168713
1520bc749
hex164c12d

23380269 has 8 divisors (see below), whose sum is σ = 34007712. Its totient is φ = 14169840.

The previous prime is 23380267. The next prime is 23380297. The reversal of 23380269 is 96208332.

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

It is not a de Polignac number, because 23380269 - 21 = 23380267 is a prime.

It is a super-2 number, since 2×233802692 = 1093273957024722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 708493 = 23380269 / (2 + 3 + 3 + 8 + 0 + 2 + 6 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23380267) 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 7 ways as a sum of consecutive naturals, for example, 354214 + ... + 354279.

It is an arithmetic number, because the mean of its divisors is an integer number (4250964).

Almost surely, 223380269 is an apocalyptic number.

It is an amenable number.

23380269 is a deficient number, since it is larger than the sum of its proper divisors (10627443).

23380269 is a wasteful number, since it uses less digits than its factorization.

23380269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708507.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 23380269 is about 4835.3147777575. The cubic root of 23380269 is about 285.9454351705.

The spelling of 23380269 in words is "twenty-three million, three hundred eighty thousand, two hundred sixty-nine".

Divisors: 1 3 11 33 708493 2125479 7793423 23380269