Base | Representation |
---|---|
bin | 1011011001000… |
… | …1101001010101 |
3 | 10022220121020200 |
4 | 2312101221111 |
5 | 44213014420 |
6 | 4424051113 |
7 | 1120100352 |
oct | 266215125 |
9 | 108817220 |
10 | 47782485 |
11 | 24a76763 |
12 | 14003a99 |
13 | 9b8cc7a |
14 | 64bb629 |
15 | 42dcb90 |
hex | 2d91a55 |
47782485 has 24 divisors (see below), whose sum is σ = 83026944. Its totient is φ = 25421280.
The previous prime is 47782481. The next prime is 47782489. The reversal of 47782485 is 58428774.
47782485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (47782481) and next prime (47782489).
It is not a de Polignac number, because 47782485 - 22 = 47782481 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 47782485.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47782481) 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 23 ways as a sum of consecutive naturals, for example, 21580 + ... + 23690.
It is an arithmetic number, because the mean of its divisors is an integer number (3459456).
Almost surely, 247782485 is an apocalyptic number.
47782485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
47782485 is a deficient number, since it is larger than the sum of its proper divisors (35244459).
47782485 is a wasteful number, since it uses less digits than its factorization.
47782485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2625 (or 2622 counting only the distinct ones).
The product of its digits is 501760, while the sum is 45.
The square root of 47782485 is about 6912.4876130088. The cubic root of 47782485 is about 362.8743275550.
The spelling of 47782485 in words is "forty-seven million, seven hundred eighty-two thousand, four hundred eighty-five".
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