Search a number
-
+
23406669 = 32111321399
BaseRepresentation
bin101100101001…
…0100001001101
31122001011220200
41121102201031
521443003134
62153404113
7402645006
oct131224115
948034820
1023406669
1112237860
127a09639
134b06c00
1431741ad
1520c5499
hex165284d

23406669 has 36 divisors (see below), whose sum is σ = 39967200. Its totient is φ = 13085280.

The previous prime is 23406667. The next prime is 23406679. The reversal of 23406669 is 96660432.

It is not a de Polignac number, because 23406669 - 21 = 23406667 is a prime.

It is a super-2 number, since 2×234066692 = 1095744307351122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406667) 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 35 ways as a sum of consecutive naturals, for example, 16032 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (1110200).

Almost surely, 223406669 is an apocalyptic number.

It is an amenable number.

23406669 is a deficient number, since it is larger than the sum of its proper divisors (16560531).

23406669 is a wasteful number, since it uses less digits than its factorization.

23406669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 23406669 is about 4838.0439229093. The cubic root of 23406669 is about 286.0530204732.

It can be divided in two parts, 2340 and 6669, that added together give a palindrome (9009).

The spelling of 23406669 in words is "twenty-three million, four hundred six thousand, six hundred sixty-nine".

Divisors: 1 3 9 11 13 33 39 99 117 143 169 429 507 1287 1399 1521 1859 4197 5577 12591 15389 16731 18187 46167 54561 138501 163683 200057 236431 600171 709293 1800513 2127879 2600741 7802223 23406669