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112455431 = 1110223221
BaseRepresentation
bin1101011001111…
…10111100000111
321211121022211222
412230332330013
5212242033211
615054150555
72533566254
oct654767407
9254538758
10112455431
1158529480
12317b245b
131a3b4b9a
1410d1442b
159d151db
hex6b3ef07

112455431 has 4 divisors (see below), whose sum is σ = 122678664. Its totient is φ = 102232200.

The previous prime is 112455419. The next prime is 112455437. The reversal of 112455431 is 134554211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134554211 = 1112232201.

It is a cyclic number.

It is not a de Polignac number, because 112455431 - 26 = 112455367 is a prime.

It is a super-2 number, since 2×1124554312 = 25292447922791522, which contains 22 as substring.

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 112455431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112455437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111600 + ... + 5111621.

It is an arithmetic number, because the mean of its divisors is an integer number (30669666).

Almost surely, 2112455431 is an apocalyptic number.

112455431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112455431 is a deficient number, since it is larger than the sum of its proper divisors (10223233).

112455431 is a wasteful number, since it uses less digits than its factorization.

112455431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223232.

The product of its digits is 2400, while the sum is 26.

The square root of 112455431 is about 10604.5005068603. The cubic root of 112455431 is about 482.6809344063.

The spelling of 112455431 in words is "one hundred twelve million, four hundred fifty-five thousand, four hundred thirty-one".

Divisors: 1 11 10223221 112455431