Base | Representation |
---|---|
bin | 101101000011… |
… | …111000010100 |
3 | 211020010112021 |
4 | 231003320110 |
5 | 11010443442 |
6 | 1101102524 |
7 | 202255255 |
oct | 55037024 |
9 | 24203467 |
10 | 11812372 |
11 | 67388a0 |
12 | 3b57a44 |
13 | 25a7790 |
14 | 17d6b2c |
15 | 1084e67 |
hex | b43e14 |
11812372 has 48 divisors (see below), whose sum is σ = 24639552. Its totient is φ = 4884480.
The previous prime is 11812343. The next prime is 11812379. The reversal of 11812372 is 27321811.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11812379) 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 15 ways as a sum of consecutive naturals, for example, 61108 + ... + 61300.
It is an arithmetic number, because the mean of its divisors is an integer number (513324).
Almost surely, 211812372 is an apocalyptic number.
It is an amenable number.
11812372 is an abundant number, since it is smaller than the sum of its proper divisors (12827180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11812372 is a wasteful number, since it uses less digits than its factorization.
11812372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328 (or 326 counting only the distinct ones).
The product of its digits is 672, while the sum is 25.
The square root of 11812372 is about 3436.9131499065. The cubic root of 11812372 is about 227.7433502774.
It can be divided in two parts, 1181 and 2372, that added together give a palindrome (3553).
The spelling of 11812372 in words is "eleven million, eight hundred twelve thousand, three hundred seventy-two".
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