Base | Representation |
---|---|
bin | 1001111001111… |
… | …01100111111111 |
3 | 12210100101221102 |
4 | 10330331213333 |
5 | 132232334134 |
6 | 12124523315 |
7 | 2026152443 |
oct | 474754777 |
9 | 183311842 |
10 | 83089919 |
11 | 429a1760 |
12 | 239b053b |
13 | 142a2943 |
14 | b06c823 |
15 | 746437e |
hex | 4f3d9ff |
83089919 has 8 divisors (see below), whose sum is σ = 90936912. Its totient is φ = 75291840.
The previous prime is 83089913. The next prime is 83089939. The reversal of 83089919 is 91998038.
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 83089919 - 28 = 83089663 is a prime.
It is a super-2 number, since 2×830899192 = 13807869278853122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83089913) 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, 8624 + ... + 15509.
It is an arithmetic number, because the mean of its divisors is an integer number (11367114).
Almost surely, 283089919 is an apocalyptic number.
83089919 is a deficient number, since it is larger than the sum of its proper divisors (7846993).
83089919 is a wasteful number, since it uses less digits than its factorization.
83089919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24457.
The product of its (nonzero) digits is 139968, while the sum is 47.
The square root of 83089919 is about 9115.3671895322. The cubic root of 83089919 is about 436.3645336011.
The spelling of 83089919 in words is "eighty-three million, eighty-nine thousand, nine hundred nineteen".
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