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112232431 = 313620401
BaseRepresentation
bin1101011000010…
…00011111101111
321211011222221201
412230020133233
5212212414211
615045310331
72531650153
oct654103757
9254158851
10112232431
1158396983
12317053a7
131a33752c
1410c97063
159cbe0c1
hex6b087ef

112232431 has 4 divisors (see below), whose sum is σ = 115852864. Its totient is φ = 108612000.

The previous prime is 112232413. The next prime is 112232441. The reversal of 112232431 is 134232211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134232211 = 1097122363.

It is a cyclic number.

It is not a de Polignac number, because 112232431 - 29 = 112231919 is a prime.

It is a super-2 number, since 2×1122324312 = 25192237136339522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112232399 and 112232408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112232401) 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, 1810170 + ... + 1810231.

It is an arithmetic number, because the mean of its divisors is an integer number (28963216).

Almost surely, 2112232431 is an apocalyptic number.

112232431 is a deficient number, since it is larger than the sum of its proper divisors (3620433).

112232431 is an equidigital number, since it uses as much as digits as its factorization.

112232431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620432.

The product of its digits is 288, while the sum is 19.

The square root of 112232431 is about 10593.9808853896. The cubic root of 112232431 is about 482.3616699214.

Adding to 112232431 its reverse (134232211), we get a palindrome (246464642).

The spelling of 112232431 in words is "one hundred twelve million, two hundred thirty-two thousand, four hundred thirty-one".

Divisors: 1 31 3620401 112232431