Search a number
-
+
11338631 = 28140351
BaseRepresentation
bin101011010000…
…001110000111
3210100001200022
4223100032013
510400314011
61043005355
7165243143
oct53201607
923301608
1011338631
116444977
12396985b
13246cc65
141712223
15ede8db
hexad0387

11338631 has 4 divisors (see below), whose sum is σ = 11379264. Its totient is φ = 11298000.

The previous prime is 11338601. The next prime is 11338651. The reversal of 11338631 is 13683311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11338631 - 26 = 11338567 is a prime.

It is a super-2 number, since 2×113386312 = 257129105908322, 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 11338631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11338601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19895 + ... + 20456.

It is an arithmetic number, because the mean of its divisors is an integer number (2844816).

Almost surely, 211338631 is an apocalyptic number.

11338631 is a deficient number, since it is larger than the sum of its proper divisors (40633).

11338631 is an equidigital number, since it uses as much as digits as its factorization.

11338631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40632.

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

The square root of 11338631 is about 3367.2883749391. The cubic root of 11338631 is about 224.6571304535.

The spelling of 11338631 in words is "eleven million, three hundred thirty-eight thousand, six hundred thirty-one".

Divisors: 1 281 40351 11338631