Base | Representation |
---|---|
bin | 1010000111010… |
… | …01011110010011 |
3 | 12220122102212122 |
4 | 11003221132103 |
5 | 133204424022 |
6 | 12230244455 |
7 | 2050101620 |
oct | 503513623 |
9 | 186572778 |
10 | 84842387 |
11 | 43989383 |
12 | 244b672b |
13 | 147674c6 |
14 | b3a7347 |
15 | 76ad742 |
hex | 50e9793 |
84842387 has 8 divisors (see below), whose sum is σ = 97020000. Its totient is φ = 72679104.
The previous prime is 84842383. The next prime is 84842389. The reversal of 84842387 is 78324848.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 84842387 - 22 = 84842383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (84842383) 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, 17039 + ... + 21447.
It is an arithmetic number, because the mean of its divisors is an integer number (12127500).
Almost surely, 284842387 is an apocalyptic number.
84842387 is a deficient number, since it is larger than the sum of its proper divisors (12177613).
84842387 is a wasteful number, since it uses less digits than its factorization.
84842387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7165.
The product of its digits is 344064, while the sum is 44.
The square root of 84842387 is about 9210.9927260855. The cubic root of 84842387 is about 439.4110353366.
The spelling of 84842387 in words is "eighty-four million, eight hundred forty-two thousand, three hundred eighty-seven".
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