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1112402631 = 3919403483
BaseRepresentation
bin100001001001101…
…1110101011000111
32212112011220112110
41002103132223013
54234233341011
6302214352103
736365160234
oct10223365307
92775156473
101112402631
11520a1661a
1227065b633
13149604012
14a7a4a78b
15679d5ba6
hex424deac7

1112402631 has 8 divisors (see below), whose sum is σ = 1484821120. Its totient is φ = 740792952.

The previous prime is 1112402617. The next prime is 1112402639. The reversal of 1112402631 is 1362042111.

1112402631 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112402631 - 219 = 1111878343 is a prime.

It is a super-2 number, since 2×11124026312 = 2474879226911444322, 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 = 1112402598 and 1112402607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112402639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198985 + ... + 204498.

It is an arithmetic number, because the mean of its divisors is an integer number (185602640).

Almost surely, 21112402631 is an apocalyptic number.

1112402631 is a deficient number, since it is larger than the sum of its proper divisors (372418489).

1112402631 is an equidigital number, since it uses as much as digits as its factorization.

1112402631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404405.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1112402631 is about 33352.7005053564. The cubic root of 1112402631 is about 1036.1453185216.

Adding to 1112402631 its reverse (1362042111), we get a palindrome (2474444742).

The spelling of 1112402631 in words is "one billion, one hundred twelve million, four hundred two thousand, six hundred thirty-one".

Divisors: 1 3 919 2757 403483 1210449 370800877 1112402631