Base | Representation |
---|---|
bin | 1011001101111… |
… | …0010000001110 |
3 | 10021112021022012 |
4 | 2303132100032 |
5 | 44021011234 |
6 | 4400221222 |
7 | 1110620201 |
oct | 263362016 |
9 | 107467265 |
10 | 47047694 |
11 | 246146a1 |
12 | 1390a812 |
13 | 9993695 |
14 | 6369938 |
15 | 41e50ce |
hex | 2cde40e |
47047694 has 4 divisors (see below), whose sum is σ = 70571544. Its totient is φ = 23523846.
The previous prime is 47047681. The next prime is 47047699. The reversal of 47047694 is 49674074.
It is a happy number.
47047694 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 an emirpimes, since its reverse is a distinct semiprime: 49674074 = 2 ⋅24837037.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47047699) 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 as a sum of consecutive naturals, namely, 11761922 + ... + 11761925.
It is an arithmetic number, because the mean of its divisors is an integer number (17642886).
Almost surely, 247047694 is an apocalyptic number.
47047694 is a deficient number, since it is larger than the sum of its proper divisors (23523850).
47047694 is a wasteful number, since it uses less digits than its factorization.
47047694 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23523849.
The product of its (nonzero) digits is 169344, while the sum is 41.
The square root of 47047694 is about 6859.1321608495. The cubic root of 47047694 is about 361.0046372079.
The spelling of 47047694 in words is "forty-seven million, forty-seven thousand, six hundred ninety-four".
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