Base | Representation |
---|---|
bin | 1011001101110… |
… | …1000111100101 |
3 | 10021112000221000 |
4 | 2303131013211 |
5 | 44020334140 |
6 | 4400143513 |
7 | 1110600510 |
oct | 263350745 |
9 | 107460830 |
10 | 47043045 |
11 | 24611155 |
12 | 13907b99 |
13 | 999152a |
14 | 6367d77 |
15 | 41e3a30 |
hex | 2cdd1e5 |
47043045 has 64 divisors (see below), whose sum is σ = 97136640. Its totient is φ = 21155904.
The previous prime is 47043043. The next prime is 47043047. The reversal of 47043045 is 54034074.
It is an interprime number because it is at equal distance from previous prime (47043043) and next prime (47043047).
It is not a de Polignac number, because 47043045 - 21 = 47043043 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47043043) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62944 + ... + 63686.
It is an arithmetic number, because the mean of its divisors is an integer number (1517760).
Almost surely, 247043045 is an apocalyptic number.
47043045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
47043045 is an abundant number, since it is smaller than the sum of its proper divisors (50093595).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47043045 is a wasteful number, since it uses less digits than its factorization.
47043045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 831 (or 825 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 27.
The square root of 47043045 is about 6858.7932612086. The cubic root of 47043045 is about 360.9927459709.
The spelling of 47043045 in words is "forty-seven million, forty-three thousand, forty-five".
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