Base | Representation |
---|---|
bin | 1011110111101… |
… | …1111010011101 |
3 | 10110200121220002 |
4 | 2331323322131 |
5 | 100221244441 |
6 | 4535104045 |
7 | 1143133106 |
oct | 275737235 |
9 | 113617802 |
10 | 49790621 |
11 | 26118481 |
12 | 14812025 |
13 | a41400a |
14 | 68813ad |
15 | 4587b9b |
hex | 2f7be9d |
49790621 has 8 divisors (see below), whose sum is σ = 53044320. Its totient is φ = 46600272.
The previous prime is 49790617. The next prime is 49790623. The reversal of 49790621 is 12609794.
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 49790621 - 22 = 49790617 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49790623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14210 + ... + 17363.
It is an arithmetic number, because the mean of its divisors is an integer number (6630540).
Almost surely, 249790621 is an apocalyptic number.
It is an amenable number.
49790621 is a deficient number, since it is larger than the sum of its proper divisors (3253699).
49790621 is a wasteful number, since it uses less digits than its factorization.
49790621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31675.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 49790621 is about 7056.2469486264. The cubic root of 49790621 is about 367.8881911627. Note that the first 3 decimals are identical.
The spelling of 49790621 in words is "forty-nine million, seven hundred ninety thousand, six hundred twenty-one".
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