Base | Representation |
---|---|
bin | 1001100011111… |
… | …01100011100001 |
3 | 12120220220000102 |
4 | 10301331203201 |
5 | 131013043144 |
6 | 11543032145 |
7 | 1662511610 |
oct | 461754341 |
9 | 176826012 |
10 | 80206049 |
11 | 41301aa0 |
12 | 22a3b655 |
13 | 13803101 |
14 | a91b877 |
15 | 7094b4e |
hex | 4c7d8e1 |
80206049 has 32 divisors (see below), whose sum is σ = 106844160. Its totient is φ = 58320000.
The previous prime is 80206043. The next prime is 80206079. The reversal of 80206049 is 94060208.
It is a cyclic number.
It is not a de Polignac number, because 80206049 - 220 = 79157473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80206043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106424 + ... + 107174.
It is an arithmetic number, because the mean of its divisors is an integer number (3338880).
Almost surely, 280206049 is an apocalyptic number.
It is an amenable number.
80206049 is a deficient number, since it is larger than the sum of its proper divisors (26638111).
80206049 is a wasteful number, since it uses less digits than its factorization.
80206049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 80206049 is about 8955.7829920114. The cubic root of 80206049 is about 431.2565534536.
The spelling of 80206049 in words is "eighty million, two hundred six thousand, forty-nine".
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