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12432055 = 53976263
BaseRepresentation
bin101111011011…
…001010110111
3212101121120111
4233123022313
511140311210
61122243451
7210446026
oct57331267
925347514
1012432055
117021429
1241b6587
13276385c
1419188bd
15115888a
hexbdb2b7

12432055 has 8 divisors (see below), whose sum is σ = 14958432. Its totient is φ = 9919008.

The previous prime is 12432053. The next prime is 12432071. The reversal of 12432055 is 55023421.

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 12432055 - 21 = 12432053 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432053) 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, 1147 + ... + 5116.

It is an arithmetic number, because the mean of its divisors is an integer number (1869804).

Almost surely, 212432055 is an apocalyptic number.

12432055 is a deficient number, since it is larger than the sum of its proper divisors (2526377).

12432055 is an equidigital number, since it uses as much as digits as its factorization.

12432055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12432055 is about 3525.9119387756. The cubic root of 12432055 is about 231.6581804826.

Adding to 12432055 its reverse (55023421), we get a palindrome (67455476).

The spelling of 12432055 in words is "twelve million, four hundred thirty-two thousand, fifty-five".

Divisors: 1 5 397 1985 6263 31315 2486411 12432055