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112401 = 3323181
BaseRepresentation
bin11011011100010001
312201012000
4123130101
512044101
62224213
7645462
oct333421
9181160
10112401
11774a3
1255069
133c213
142cd69
1523486
hex1b711

112401 has 16 divisors (see below), whose sum is σ = 174720. Its totient is φ = 71280.

The previous prime is 112397. The next prime is 112403. The reversal of 112401 is 104211.

It is a happy number.

It is not a de Polignac number, because 112401 - 22 = 112397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (112403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2112401 is an apocalyptic number.

It is an amenable number.

112401 is a deficient number, since it is larger than the sum of its proper divisors (62319).

112401 is a wasteful number, since it uses less digits than its factorization.

112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 112401 is about 335.2625836565. The cubic root of 112401 is about 48.2603045635.

Adding to 112401 its reverse (104211), we get a palindrome (216612).

The spelling of 112401 in words is "one hundred twelve thousand, four hundred one", and thus it is an iban number.

Divisors: 1 3 9 23 27 69 181 207 543 621 1629 4163 4887 12489 37467 112401