Base | Representation |
---|---|
bin | 111000011101000… |
… | …011101101100001 |
3 | 2110000012202211211 |
4 | 320131003231201 |
5 | 3414432011343 |
6 | 233552310121 |
7 | 32320366255 |
oct | 7035035541 |
9 | 2400182754 |
10 | 947141473 |
11 | 446700453 |
12 | 225242341 |
13 | 1212c0955 |
14 | 8db0c265 |
15 | 5823e79d |
hex | 38743b61 |
947141473 has 4 divisors (see below), whose sum is σ = 947662848. Its totient is φ = 946620100.
The previous prime is 947141467. The next prime is 947141497. The reversal of 947141473 is 374141749.
947141473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, and also an emirpimes, since its reverse is a distinct semiprime: 374141749 = 19 ⋅19691671.
It is a cyclic number.
It is not a de Polignac number, because 947141473 - 25 = 947141441 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (947141453) 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, 257953 + ... + 261598.
It is an arithmetic number, because the mean of its divisors is an integer number (236915712).
Almost surely, 2947141473 is an apocalyptic number.
It is an amenable number.
947141473 is a deficient number, since it is larger than the sum of its proper divisors (521375).
947141473 is a wasteful number, since it uses less digits than its factorization.
947141473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521374.
The product of its digits is 84672, while the sum is 40.
The square root of 947141473 is about 30775.6636484089. The cubic root of 947141473 is about 982.0605931144.
The spelling of 947141473 in words is "nine hundred forty-seven million, one hundred forty-one thousand, four hundred seventy-three".
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