Base | Representation |
---|---|
bin | 1011010001110… |
… | …1111001100010 |
3 | 10022000111220110 |
4 | 2310131321202 |
5 | 44102332021 |
6 | 4405552150 |
7 | 1113054216 |
oct | 264357142 |
9 | 108014813 |
10 | 47308386 |
11 | 24782544 |
12 | 13a15656 |
13 | 9a55238 |
14 | 63d6946 |
15 | 4247476 |
hex | 2d1de62 |
47308386 has 8 divisors (see below), whose sum is σ = 94616784. Its totient is φ = 15769460.
The previous prime is 47308381. The next prime is 47308403. The reversal of 47308386 is 68380374.
It is a sphenic number, since it is the product of 3 distinct primes.
47308386 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (47308381) 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, 3942360 + ... + 3942371.
It is an arithmetic number, because the mean of its divisors is an integer number (11827098).
Almost surely, 247308386 is an apocalyptic number.
47308386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47308386 is a wasteful number, since it uses less digits than its factorization.
47308386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7884736.
The product of its (nonzero) digits is 96768, while the sum is 39.
The square root of 47308386 is about 6878.1091878510. The cubic root of 47308386 is about 361.6701868695.
The spelling of 47308386 in words is "forty-seven million, three hundred eight thousand, three hundred eighty-six".
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