Base | Representation |
---|---|
bin | 1011011010100… |
… | …1101100000101 |
3 | 10100002121100002 |
4 | 2312221230011 |
5 | 44224142330 |
6 | 4430131045 |
7 | 1120660436 |
oct | 266515405 |
9 | 110077302 |
10 | 47880965 |
11 | 25033750 |
12 | 14050a85 |
13 | 9bc5a42 |
14 | 650548d |
15 | 430be45 |
hex | 2da9b05 |
47880965 has 16 divisors (see below), whose sum is σ = 62873280. Its totient is φ = 34715520.
The previous prime is 47880961. The next prime is 47880967. The reversal of 47880965 is 56908874.
47880965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47880965 - 22 = 47880961 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47880961) 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 15 ways as a sum of consecutive naturals, for example, 19697 + ... + 21993.
It is an arithmetic number, because the mean of its divisors is an integer number (3929580).
Almost surely, 247880965 is an apocalyptic number.
It is an amenable number.
47880965 is a deficient number, since it is larger than the sum of its proper divisors (14992315).
47880965 is a wasteful number, since it uses less digits than its factorization.
47880965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2692.
The product of its (nonzero) digits is 483840, while the sum is 47.
The square root of 47880965 is about 6919.6072865445. The cubic root of 47880965 is about 363.1234519028.
It can be divided in two parts, 478809 and 65, that added together give a palindrome (478874).
The spelling of 47880965 in words is "forty-seven million, eight hundred eighty thousand, nine hundred sixty-five".
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