Base | Representation |
---|---|
bin | 1011001101010… |
… | …1100011111001 |
3 | 10021110110110111 |
4 | 2303111203321 |
5 | 44013341324 |
6 | 4355344321 |
7 | 1110411325 |
oct | 263254371 |
9 | 107413414 |
10 | 47012089 |
11 | 2459a973 |
12 | 138b20a1 |
13 | 9980407 |
14 | 635a985 |
15 | 41d9794 |
hex | 2cd58f9 |
47012089 has 16 divisors (see below), whose sum is σ = 52793856. Its totient is φ = 41644800.
The previous prime is 47012083. The next prime is 47012131. The reversal of 47012089 is 98021074.
It is a cyclic number.
It is not a de Polignac number, because 47012089 - 23 = 47012081 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47012089.
It is not an unprimeable number, because it can be changed into a prime (47012081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18294 + ... + 20704.
It is an arithmetic number, because the mean of its divisors is an integer number (3299616).
Almost surely, 247012089 is an apocalyptic number.
It is an amenable number.
47012089 is a deficient number, since it is larger than the sum of its proper divisors (5781767).
47012089 is a wasteful number, since it uses less digits than its factorization.
47012089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2496.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 47012089 is about 6856.5362246545. The cubic root of 47012089 is about 360.9135465660.
The spelling of 47012089 in words is "forty-seven million, twelve thousand, eighty-nine".
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