Base | Representation |
---|---|
bin | 1011011000110… |
… | …1010111101001 |
3 | 10022212201012221 |
4 | 2312031113221 |
5 | 44211434334 |
6 | 4423434041 |
7 | 1116665320 |
oct | 266152751 |
9 | 108781187 |
10 | 47764969 |
11 | 24a6458a |
12 | 13bb5921 |
13 | 9b84cc5 |
14 | 64b50b7 |
15 | 42d78b4 |
hex | 2d8d5e9 |
47764969 has 4 divisors (see below), whose sum is σ = 54588544. Its totient is φ = 40941396.
The previous prime is 47764967. The next prime is 47765009. The reversal of 47764969 is 96946774.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 47764969 - 21 = 47764967 is a prime.
It is a super-2 number, since 2×477649692 = 4562984527141922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47764961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3411777 + ... + 3411790.
It is an arithmetic number, because the mean of its divisors is an integer number (13647136).
Almost surely, 247764969 is an apocalyptic number.
It is an amenable number.
47764969 is a deficient number, since it is larger than the sum of its proper divisors (6823575).
47764969 is an equidigital number, since it uses as much as digits as its factorization.
47764969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6823574.
The product of its digits is 2286144, while the sum is 52.
The square root of 47764969 is about 6911.2205144967. The cubic root of 47764969 is about 362.8299815738.
The spelling of 47764969 in words is "forty-seven million, seven hundred sixty-four thousand, nine hundred sixty-nine".
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