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11383631 = 72298011
BaseRepresentation
bin101011011011…
…001101001111
3210102100101222
4223123031033
510403234011
61043553555
7165521300
oct53331517
923370358
1011383631
116475766
12398b8bb
13248759c
1417247a7
15eecddb
hexadb34f

11383631 has 12 divisors (see below), whose sum is σ = 13700520. Its totient is φ = 9419760.

The previous prime is 11383627. The next prime is 11383639. The reversal of 11383631 is 13638311.

It is a happy number.

11383631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11383631 - 22 = 11383627 is a prime.

It is a super-2 number, since 2×113836312 = 259174109488322, 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 11383631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11383639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2585 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (1141710).

Almost surely, 211383631 is an apocalyptic number.

11383631 is a deficient number, since it is larger than the sum of its proper divisors (2316889).

11383631 is an equidigital number, since it uses as much as digits as its factorization.

11383631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054 (or 8047 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 11383631 is about 3373.9636927507. The cubic root of 11383631 is about 224.9539395427.

The spelling of 11383631 in words is "eleven million, three hundred eighty-three thousand, six hundred thirty-one".

Divisors: 1 7 29 49 203 1421 8011 56077 232319 392539 1626233 11383631