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12433253 = 71939203
BaseRepresentation
bin101111011011…
…011101100101
3212101200012212
4233123131211
511140331003
61122253205
7210452360
oct57333545
925350185
1012433253
117022318
1241b7205
132764271
1419190d7
151158dd8
hexbdb765

12433253 has 8 divisors (see below), whose sum is σ = 14284608. Its totient is φ = 10600704.

The previous prime is 12433249. The next prime is 12433283. The reversal of 12433253 is 35233421.

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

It is a cyclic number.

It is not a de Polignac number, because 12433253 - 22 = 12433249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12433243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3251 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (1785576).

Almost surely, 212433253 is an apocalyptic number.

It is an amenable number.

12433253 is a deficient number, since it is larger than the sum of its proper divisors (1851355).

12433253 is an equidigital number, since it uses as much as digits as its factorization.

12433253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403.

The product of its digits is 2160, while the sum is 23.

The square root of 12433253 is about 3526.0818198108. The cubic root of 12433253 is about 231.6656213974.

Adding to 12433253 its reverse (35233421), we get a palindrome (47666674).

The spelling of 12433253 in words is "twelve million, four hundred thirty-three thousand, two hundred fifty-three".

Divisors: 1 7 193 1351 9203 64421 1776179 12433253