Base | Representation |
---|---|
bin | 1001111101100… |
… | …10100000101000 |
3 | 12211020201200022 |
4 | 10332302200220 |
5 | 132343144210 |
6 | 12143100012 |
7 | 2033215316 |
oct | 476624050 |
9 | 184221608 |
10 | 83568680 |
11 | 43199428 |
12 | 23ba1608 |
13 | 1440c830 |
14 | b1550b6 |
15 | 750b155 |
hex | 4fb2828 |
83568680 has 32 divisors (see below), whose sum is σ = 202494600. Its totient is φ = 30855936.
The previous prime is 83568659. The next prime is 83568689. The reversal of 83568680 is 8686538.
It can be written as a sum of positive squares in 4 ways, for example, as 43903876 + 39664804 = 6626^2 + 6298^2 .
It is not an unprimeable number, because it can be changed into a prime (83568689) 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, 79835 + ... + 80874.
Almost surely, 283568680 is an apocalyptic number.
It is an amenable number.
83568680 is an abundant number, since it is smaller than the sum of its proper divisors (118925920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83568680 is a wasteful number, since it uses less digits than its factorization.
83568680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160733 (or 160729 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 44.
The square root of 83568680 is about 9141.5906712125. The cubic root of 83568680 is about 437.2010343878.
It can be divided in two parts, 83568 and 680, that added together give a palindrome (84248).
The spelling of 83568680 in words is "eighty-three million, five hundred sixty-eight thousand, six hundred eighty".
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