Base | Representation |
---|---|
bin | 1011110000000… |
… | …1101001001011 |
3 | 10102202011220021 |
4 | 2330001221023 |
5 | 100104233203 |
6 | 4520241311 |
7 | 1135646023 |
oct | 274015113 |
9 | 112664807 |
10 | 49289803 |
11 | 25906182 |
12 | 14610237 |
13 | a29a084 |
14 | 6790a83 |
15 | 44d95bd |
hex | 2f01a4b |
49289803 has 4 divisors (see below), whose sum is σ = 49374360. Its totient is φ = 49205248.
The previous prime is 49289797. The next prime is 49289869. The reversal of 49289803 is 30898294.
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 49289803 - 217 = 49158731 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 49289803.
It is not an unprimeable number, because it can be changed into a prime (49289893) 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, 41398 + ... + 42571.
It is an arithmetic number, because the mean of its divisors is an integer number (12343590).
Almost surely, 249289803 is an apocalyptic number.
49289803 is a deficient number, since it is larger than the sum of its proper divisors (84557).
49289803 is an equidigital number, since it uses as much as digits as its factorization.
49289803 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84556.
The product of its (nonzero) digits is 124416, while the sum is 43.
The square root of 49289803 is about 7020.6696974007. The cubic root of 49289803 is about 366.6505668780.
The spelling of 49289803 in words is "forty-nine million, two hundred eighty-nine thousand, eight hundred three".
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