Search a number
-
+
23403369 = 3115313381
BaseRepresentation
bin101100101000…
…1101101101001
31122001000101110
41121101231221
521442401434
62153340533
7402632253
oct131215551
948030343
1023403369
1112235330
127a07749
134b05562
143172cd3
1520c44e9
hex1651b69

23403369 has 16 divisors (see below), whose sum is σ = 34686144. Its totient is φ = 13915200.

The previous prime is 23403349. The next prime is 23403371. The reversal of 23403369 is 96330432.

It is not a de Polignac number, because 23403369 - 27 = 23403241 is a prime.

It is a super-2 number, since 2×234033692 = 1095435361100322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23403329) 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 15 ways as a sum of consecutive naturals, for example, 4942 + ... + 8439.

It is an arithmetic number, because the mean of its divisors is an integer number (2167884).

Almost surely, 223403369 is an apocalyptic number.

It is an amenable number.

23403369 is a deficient number, since it is larger than the sum of its proper divisors (11282775).

23403369 is a wasteful number, since it uses less digits than its factorization.

23403369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13448.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 23403369 is about 4837.7028639634. The cubic root of 23403369 is about 286.0395767358.

The spelling of 23403369 in words is "twenty-three million, four hundred three thousand, three hundred sixty-nine".

Divisors: 1 3 11 33 53 159 583 1749 13381 40143 147191 441573 709193 2127579 7801123 23403369