Base | Representation |
---|---|
bin | 1001111110001… |
… | …10110111111001 |
3 | 12211101222002112 |
4 | 10333012313321 |
5 | 132403331324 |
6 | 12144542105 |
7 | 2034013433 |
oct | 477066771 |
9 | 184358075 |
10 | 83652089 |
11 | 43246064 |
12 | 24021935 |
13 | 1443b7a1 |
14 | b177653 |
15 | 7525c0e |
hex | 4fc6df9 |
83652089 has 4 divisors (see below), whose sum is σ = 84165456. Its totient is φ = 83138724.
The previous prime is 83652059. The next prime is 83652091. The reversal of 83652089 is 98025638.
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 83652089 - 28 = 83651833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83652059) 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, 256439 + ... + 256764.
It is an arithmetic number, because the mean of its divisors is an integer number (21041364).
Almost surely, 283652089 is an apocalyptic number.
It is an amenable number.
83652089 is a deficient number, since it is larger than the sum of its proper divisors (513367).
83652089 is a wasteful number, since it uses less digits than its factorization.
83652089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 513366.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 83652089 is about 9146.1515950699. The cubic root of 83652089 is about 437.3464412377.
It can be divided in two parts, 836 and 52089, that added together give a palindrome (52925).
The spelling of 83652089 in words is "eighty-three million, six hundred fifty-two thousand, eighty-nine".
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