Base | Representation |
---|---|
bin | 1001111100011… |
… | …00010001110111 |
3 | 12210221202212120 |
4 | 10332030101313 |
5 | 132323141322 |
6 | 12135451023 |
7 | 2031663633 |
oct | 476142167 |
9 | 183852776 |
10 | 83412087 |
11 | 430a1810 |
12 | 23b26a73 |
13 | 14386485 |
14 | b113dc3 |
15 | 74c9a5c |
hex | 4f8c477 |
83412087 has 8 divisors (see below), whose sum is σ = 121326720. Its totient is φ = 50552760.
The previous prime is 83412083. The next prime is 83412157. The reversal of 83412087 is 78021438.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83412087 - 22 = 83412083 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2527639 = 83412087 / (8 + 3 + 4 + 1 + 2 + 0 + 8 + 7).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83412083) 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, 1263787 + ... + 1263852.
It is an arithmetic number, because the mean of its divisors is an integer number (15165840).
Almost surely, 283412087 is an apocalyptic number.
83412087 is a deficient number, since it is larger than the sum of its proper divisors (37914633).
83412087 is a wasteful number, since it uses less digits than its factorization.
83412087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2527653.
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 83412087 is about 9133.0217890904. The cubic root of 83412087 is about 436.9277843758.
It can be divided in two parts, 834 and 12087, that added together give a palindrome (12921).
The spelling of 83412087 in words is "eighty-three million, four hundred twelve thousand, eighty-seven".
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