Base | Representation |
---|---|
bin | 1100000001001… |
… | …1000011110011 |
3 | 10111212002010111 |
4 | 3000103003303 |
5 | 100401102330 |
6 | 5000242151 |
7 | 1151322046 |
oct | 300230363 |
9 | 114762114 |
10 | 50409715 |
11 | 26500624 |
12 | 14a70357 |
13 | a59ca45 |
14 | 69a2c5d |
15 | 465b32a |
hex | 30130f3 |
50409715 has 4 divisors (see below), whose sum is σ = 60491664. Its totient is φ = 40327768.
The previous prime is 50409713. The next prime is 50409727. The reversal of 50409715 is 51790405.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51790405 = 5 ⋅10358081.
It is a cyclic number.
It is not a de Polignac number, because 50409715 - 21 = 50409713 is a prime.
It is a super-3 number, since 3×504097153 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50409713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5040967 + ... + 5040976.
It is an arithmetic number, because the mean of its divisors is an integer number (15122916).
Almost surely, 250409715 is an apocalyptic number.
50409715 is a deficient number, since it is larger than the sum of its proper divisors (10081949).
50409715 is a wasteful number, since it uses less digits than its factorization.
50409715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10081948.
The product of its (nonzero) digits is 6300, while the sum is 31.
The square root of 50409715 is about 7099.9799295491. The cubic root of 50409715 is about 369.4066823965.
The spelling of 50409715 in words is "fifty million, four hundred nine thousand, seven hundred fifteen".
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