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112457 = 1071051
BaseRepresentation
bin11011011101001001
312201021002
4123131021
512044312
62224345
7645602
oct333511
9181232
10112457
1177544
12550b5
133c257
142cda9
15234c2
hex1b749

112457 has 4 divisors (see below), whose sum is σ = 113616. Its totient is φ = 111300.

The previous prime is 112429. The next prime is 112459. The reversal of 112457 is 754211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112457 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (112459) 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, 419 + ... + 632.

It is an arithmetic number, because the mean of its divisors is an integer number (28404).

2112457 is an apocalyptic number.

It is an amenable number.

112457 is a deficient number, since it is larger than the sum of its proper divisors (1159).

112457 is a wasteful number, since it uses less digits than its factorization.

112457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its digits is 280, while the sum is 20.

The square root of 112457 is about 335.3460898833. The cubic root of 112457 is about 48.2683179215.

Adding to 112457 its reverse (754211), we get a palindrome (866668).

The spelling of 112457 in words is "one hundred twelve thousand, four hundred fifty-seven".

Divisors: 1 107 1051 112457