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112636631 = 223505097
BaseRepresentation
bin1101011011010…
…11001011010111
321211221112102002
412231223023113
5212313333011
615102105515
72535252452
oct655531327
9254845362
10112636631
1158642628
123187b29b
131a4494c3
1410d60499
159d4dc3b
hex6b6b2d7

112636631 has 4 divisors (see below), whose sum is σ = 113141952. Its totient is φ = 112131312.

The previous prime is 112636583. The next prime is 112636633. The reversal of 112636631 is 136636211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112636631 is a prime.

It is a super-2 number, since 2×1126366312 = 25374021286060322, 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 = 112636594 and 112636603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112636633) 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, 252326 + ... + 252771.

It is an arithmetic number, because the mean of its divisors is an integer number (28285488).

Almost surely, 2112636631 is an apocalyptic number.

112636631 is a deficient number, since it is larger than the sum of its proper divisors (505321).

112636631 is an equidigital number, since it uses as much as digits as its factorization.

112636631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505320.

The product of its digits is 3888, while the sum is 29.

The square root of 112636631 is about 10613.0406104942. The cubic root of 112636631 is about 482.9400440247.

The spelling of 112636631 in words is "one hundred twelve million, six hundred thirty-six thousand, six hundred thirty-one".

Divisors: 1 223 505097 112636631