Base | Representation |
---|---|
bin | 1011001110100… |
… | …0110000011011 |
3 | 10021121110022120 |
4 | 2303220300123 |
5 | 44023400330 |
6 | 4401152323 |
7 | 1111156500 |
oct | 263506033 |
9 | 107543276 |
10 | 47090715 |
11 | 24643a51 |
12 | 1392b6a3 |
13 | 99aa139 |
14 | 637b4a7 |
15 | 4202c10 |
hex | 2ce8c1b |
47090715 has 48 divisors (see below), whose sum is σ = 88865280. Its totient is φ = 21228480.
The previous prime is 47090707. The next prime is 47090717. The reversal of 47090715 is 51709074.
47090715 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 47090715 - 23 = 47090707 is a prime.
It is a super-2 number, since 2×470907152 = 4435070878422450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47090717) 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 47 ways as a sum of consecutive naturals, for example, 57660 + ... + 58470.
It is an arithmetic number, because the mean of its divisors is an integer number (1851360).
Almost surely, 247090715 is an apocalyptic number.
47090715 is a deficient number, since it is larger than the sum of its proper divisors (41774565).
47090715 is a wasteful number, since it uses less digits than its factorization.
47090715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 912 (or 905 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 47090715 is about 6862.2674823997. The cubic root of 47090715 is about 361.1146394045.
Adding to 47090715 its reverse (51709074), we get a palindrome (98799789).
The spelling of 47090715 in words is "forty-seven million, ninety thousand, seven hundred fifteen".
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