Base | Representation |
---|---|
bin | 1011111010110… |
… | …0000010010101 |
3 | 10111001122021112 |
4 | 2332230002111 |
5 | 100244101413 |
6 | 4543224405 |
7 | 1144613555 |
oct | 276540225 |
9 | 114048245 |
10 | 49987733 |
11 | 26242584 |
12 | 148a8105 |
13 | a482953 |
14 | 68d3165 |
15 | 45c62a8 |
hex | 2fac095 |
49987733 has 4 divisors (see below), whose sum is σ = 51206988. Its totient is φ = 48768480.
The previous prime is 49987711. The next prime is 49987739. The reversal of 49987733 is 33778994.
49987733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7711729 + 42276004 = 2777^2 + 6502^2 .
It is a cyclic number.
It is not a de Polignac number, because 49987733 - 28 = 49987477 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 (49987739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609566 + ... + 609647.
It is an arithmetic number, because the mean of its divisors is an integer number (12801747).
Almost surely, 249987733 is an apocalyptic number.
It is an amenable number.
49987733 is a deficient number, since it is larger than the sum of its proper divisors (1219255).
49987733 is a wasteful number, since it uses less digits than its factorization.
49987733 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1219254.
The product of its digits is 1143072, while the sum is 50.
The square root of 49987733 is about 7070.2003507680. The cubic root of 49987733 is about 368.3730193902.
The spelling of 49987733 in words is "forty-nine million, nine hundred eighty-seven thousand, seven hundred thirty-three".
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