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12232153 = 60120353
BaseRepresentation
bin101110101010…
…010111011001
3212000110100201
4232222113121
511112412103
61114102201
7205654153
oct56522731
925013321
1012232153
1169a521a
12411a961
1326c387b
1418a5ad3
15111951d
hexbaa5d9

12232153 has 4 divisors (see below), whose sum is σ = 12253108. Its totient is φ = 12211200.

The previous prime is 12232151. The next prime is 12232169. The reversal of 12232153 is 35123221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35123221 = 75017603.

It can be written as a sum of positive squares in 2 ways, for example, as 7601049 + 4631104 = 2757^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 12232153 - 21 = 12232151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12232153.

It is not an unprimeable number, because it can be changed into a prime (12232151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9576 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (3063277).

Almost surely, 212232153 is an apocalyptic number.

It is an amenable number.

12232153 is a deficient number, since it is larger than the sum of its proper divisors (20955).

12232153 is an equidigital number, since it uses as much as digits as its factorization.

12232153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20954.

The product of its digits is 360, while the sum is 19.

The square root of 12232153 is about 3497.4494992780. The cubic root of 12232153 is about 230.4098112724.

Adding to 12232153 its reverse (35123221), we get a palindrome (47355374).

The spelling of 12232153 in words is "twelve million, two hundred thirty-two thousand, one hundred fifty-three".

Divisors: 1 601 20353 12232153