Base | Representation |
---|---|
bin | 1011010000000… |
… | …1010010101110 |
3 | 10021210120011202 |
4 | 2310001102232 |
5 | 44040104324 |
6 | 4403245502 |
7 | 1112055500 |
oct | 264012256 |
9 | 107716152 |
10 | 47191214 |
11 | 24702504 |
12 | 13979892 |
13 | 9a13ac5 |
14 | 63a5d70 |
15 | 42228ae |
hex | 2d014ae |
47191214 has 24 divisors (see below), whose sum is σ = 82628568. Its totient is φ = 20154960.
The previous prime is 47191213. The next prime is 47191237. The reversal of 47191214 is 41219174.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47191211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35909 + ... + 37199.
It is an arithmetic number, because the mean of its divisors is an integer number (3442857).
Almost surely, 247191214 is an apocalyptic number.
47191214 is a deficient number, since it is larger than the sum of its proper divisors (35437354).
47191214 is a wasteful number, since it uses less digits than its factorization.
47191214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1680 (or 1673 counting only the distinct ones).
The product of its digits is 2016, while the sum is 29.
The square root of 47191214 is about 6869.5861592966. The cubic root of 47191214 is about 361.3713487037.
The spelling of 47191214 in words is "forty-seven million, one hundred ninety-one thousand, two hundred fourteen".
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