Base | Representation |
---|---|
bin | 1011111010101… |
… | …0011010111111 |
3 | 10111001022012120 |
4 | 2332222122333 |
5 | 100243343434 |
6 | 4543134023 |
7 | 1144555356 |
oct | 276523277 |
9 | 114038176 |
10 | 49981119 |
11 | 26238611 |
12 | 148a4313 |
13 | a47c936 |
14 | 68d099d |
15 | 45c4349 |
hex | 2faa6bf |
49981119 has 8 divisors (see below), whose sum is σ = 66726912. Its totient is φ = 33278040.
The previous prime is 49981111. The next prime is 49981171. The reversal of 49981119 is 91118994.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49981119 - 23 = 49981111 is a prime.
It is a super-2 number, since 2×499811192 = 4996224512984322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49981111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7839 + ... + 12704.
It is an arithmetic number, because the mean of its divisors is an integer number (8340864).
Almost surely, 249981119 is an apocalyptic number.
49981119 is a deficient number, since it is larger than the sum of its proper divisors (16745793).
49981119 is a wasteful number, since it uses less digits than its factorization.
49981119 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21357.
The product of its digits is 23328, while the sum is 42.
The square root of 49981119 is about 7069.7325974891. The cubic root of 49981119 is about 368.3567718933.
It can be divided in two parts, 499 and 81119, that added together give a palindrome (81618).
The spelling of 49981119 in words is "forty-nine million, nine hundred eighty-one thousand, one hundred nineteen".
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