Base | Representation |
---|---|
bin | 101101011100… |
… | …001101101101 |
3 | 211102012020212 |
4 | 231130031231 |
5 | 11022141140 |
6 | 1103152205 |
7 | 203151665 |
oct | 55341555 |
9 | 24365225 |
10 | 11912045 |
11 | 67a6772 |
12 | 3ba5665 |
13 | 2610c62 |
14 | 18211a5 |
15 | 10a4765 |
hex | b5c36d |
11912045 has 8 divisors (see below), whose sum is σ = 14916096. Its totient is φ = 9115216.
The previous prime is 11911987. The next prime is 11912051. The reversal of 11912045 is 54021911.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11912045 - 26 = 11911981 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
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 11912045.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51677 + ... + 51906.
It is an arithmetic number, because the mean of its divisors is an integer number (1864512).
Almost surely, 211912045 is an apocalyptic number.
It is an amenable number.
11912045 is a deficient number, since it is larger than the sum of its proper divisors (3004051).
11912045 is a wasteful number, since it uses less digits than its factorization.
11912045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103611.
The product of its (nonzero) digits is 360, while the sum is 23.
The square root of 11912045 is about 3451.3830561095. The cubic root of 11912045 is about 228.3821244175.
Adding to 11912045 its reverse (54021911), we get a palindrome (65933956).
The spelling of 11912045 in words is "eleven million, nine hundred twelve thousand, forty-five".
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