Base | Representation |
---|---|
bin | 1011010100100… |
… | …1010101010010 |
3 | 10022100112221111 |
4 | 2311021111102 |
5 | 44124030130 |
6 | 4413443534 |
7 | 1114424665 |
oct | 265112522 |
9 | 108315844 |
10 | 47486290 |
11 | 24894175 |
12 | 13aa05aa |
13 | 9ab81c7 |
14 | 64416dc |
15 | 428002a |
hex | 2d49552 |
47486290 has 8 divisors (see below), whose sum is σ = 85475340. Its totient is φ = 18994512.
The previous prime is 47486273. The next prime is 47486293. The reversal of 47486290 is 9268474.
It can be written as a sum of positive squares in 2 ways, for example, as 47320641 + 165649 = 6879^2 + 407^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (47486293) 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, 2374305 + ... + 2374324.
Almost surely, 247486290 is an apocalyptic number.
47486290 is a deficient number, since it is larger than the sum of its proper divisors (37989050).
47486290 is a wasteful number, since it uses less digits than its factorization.
47486290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4748636.
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 47486290 is about 6891.0296763256. The cubic root of 47486290 is about 362.1229754246.
The spelling of 47486290 in words is "forty-seven million, four hundred eighty-six thousand, two hundred ninety".
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