Base | Representation |
---|---|
bin | 1010000000110… |
… | …00011011011101 |
3 | 12212000221022211 |
4 | 11000120123131 |
5 | 133000024031 |
6 | 12200040421 |
7 | 2036604361 |
oct | 500303335 |
9 | 185027284 |
10 | 83986141 |
11 | 43454038 |
12 | 24163111 |
13 | 14527855 |
14 | b2232a1 |
15 | 758ebb1 |
hex | 50186dd |
83986141 has 4 divisors (see below), whose sum is σ = 84356352. Its totient is φ = 83615932.
The previous prime is 83986127. The next prime is 83986151. The reversal of 83986141 is 14168938.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 83986141 - 219 = 83461853 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 83986094 and 83986103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83986151) 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, 184765 + ... + 185218.
It is an arithmetic number, because the mean of its divisors is an integer number (21089088).
Almost surely, 283986141 is an apocalyptic number.
It is an amenable number.
83986141 is a deficient number, since it is larger than the sum of its proper divisors (370211).
83986141 is a wasteful number, since it uses less digits than its factorization.
83986141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370210.
The product of its digits is 41472, while the sum is 40.
The square root of 83986141 is about 9164.3952882883. The cubic root of 83986141 is about 437.9278270467.
The spelling of 83986141 in words is "eighty-three million, nine hundred eighty-six thousand, one hundred forty-one".
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