Base | Representation |
---|---|
bin | 1011001101010… |
… | …0100111101111 |
3 | 10021110021011220 |
4 | 2303110213233 |
5 | 44013230424 |
6 | 4355314423 |
7 | 1110364155 |
oct | 263244757 |
9 | 107407156 |
10 | 47008239 |
11 | 24597a93 |
12 | 138aba13 |
13 | 997b735 |
14 | 63593d5 |
15 | 41d8579 |
hex | 2cd49ef |
47008239 has 8 divisors (see below), whose sum is σ = 63471360. Its totient is φ = 30941976.
The previous prime is 47008231. The next prime is 47008243. The reversal of 47008239 is 93280074.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47008239 - 23 = 47008231 is a prime.
It is a super-2 number, since 2×470082392 = 4419549067762242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47008231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98937 + ... + 99410.
It is an arithmetic number, because the mean of its divisors is an integer number (7933920).
Almost surely, 247008239 is an apocalyptic number.
47008239 is a deficient number, since it is larger than the sum of its proper divisors (16463121).
47008239 is a wasteful number, since it uses less digits than its factorization.
47008239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198429.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 47008239 is about 6856.2554649021. The cubic root of 47008239 is about 360.9036940996.
The spelling of 47008239 in words is "forty-seven million, eight thousand, two hundred thirty-nine".
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