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11333631 = 331121867
BaseRepresentation
bin101011001110…
…111111111111
3210022210211010
4223032333333
510400134011
61042530303
7165222441
oct53167777
923283733
1011333631
116441141
123966993
13246a8ba
141710491
15edd1a6
hexacefff

11333631 has 8 divisors (see below), whose sum is σ = 15599104. Its totient is φ = 7311960.

The previous prime is 11333629. The next prime is 11333669. The reversal of 11333631 is 13633311.

11333631 is digitally balanced in base 3, 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 11333631 - 21 = 11333629 is a prime.

It is a super-2 number, since 2×113336312 = 256902383288322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 11333598 and 11333607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60841 + ... + 61026.

It is an arithmetic number, because the mean of its divisors is an integer number (1949888).

Almost surely, 211333631 is an apocalyptic number.

11333631 is a deficient number, since it is larger than the sum of its proper divisors (4265473).

11333631 is a wasteful number, since it uses less digits than its factorization.

11333631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121901.

The product of its digits is 486, while the sum is 21.

The square root of 11333631 is about 3366.5458559182. The cubic root of 11333631 is about 224.6241032211.

Adding to 11333631 its reverse (13633311), we get a palindrome (24966942).

The spelling of 11333631 in words is "eleven million, three hundred thirty-three thousand, six hundred thirty-one".

Divisors: 1 3 31 93 121867 365601 3777877 11333631