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23330395 = 5112318443
BaseRepresentation
bin101100011111…
…1111001011011
31121220022021201
41120333321123
521433033040
62152015031
7402206434
oct130777133
947808251
1023330395
1112195520
127991477
134aab28a
14315448b
1520aca9a
hex163fe5b

23330395 has 16 divisors (see below), whose sum is σ = 31871232. Its totient is φ = 16228960.

The previous prime is 23330389. The next prime is 23330407. The reversal of 23330395 is 59303332.

It is not a de Polignac number, because 23330395 - 27 = 23330267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7957 + ... + 10486.

It is an arithmetic number, because the mean of its divisors is an integer number (1991952).

Almost surely, 223330395 is an apocalyptic number.

23330395 is a deficient number, since it is larger than the sum of its proper divisors (8540837).

23330395 is a wasteful number, since it uses less digits than its factorization.

23330395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18482.

The product of its (nonzero) digits is 7290, while the sum is 28.

The square root of 23330395 is about 4830.1547594254. The cubic root of 23330395 is about 285.7419673775.

It can be divided in two parts, 233 and 30395, that added together give a triangular number (30628 = T247).

The spelling of 23330395 in words is "twenty-three million, three hundred thirty thousand, three hundred ninety-five".

Divisors: 1 5 11 23 55 115 253 1265 18443 92215 202873 424189 1014365 2120945 4666079 23330395