Base | Representation |
---|---|
bin | 1011110100011… |
… | …1010001100101 |
3 | 10110021200010121 |
4 | 2331013101211 |
5 | 100142400023 |
6 | 4530321541 |
7 | 1141244365 |
oct | 275072145 |
9 | 113250117 |
10 | 49575013 |
11 | 25a90494 |
12 | 147292b1 |
13 | a369b37 |
14 | 68269a5 |
15 | 4543d5d |
hex | 2f47465 |
49575013 has 4 divisors (see below), whose sum is σ = 49589440. Its totient is φ = 49560588.
The previous prime is 49575011. The next prime is 49575017. The reversal of 49575013 is 31057594.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 49575013 - 21 = 49575011 is a prime.
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 49575013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49575011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258 + ... + 10036.
It is an arithmetic number, because the mean of its divisors is an integer number (12397360).
Almost surely, 249575013 is an apocalyptic number.
It is an amenable number.
49575013 is a deficient number, since it is larger than the sum of its proper divisors (14427).
49575013 is an equidigital number, since it uses as much as digits as its factorization.
49575013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14426.
The product of its (nonzero) digits is 18900, while the sum is 34.
The square root of 49575013 is about 7040.9525633965. The cubic root of 49575013 is about 367.3564015459.
The spelling of 49575013 in words is "forty-nine million, five hundred seventy-five thousand, thirteen".
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