Base | Representation |
---|---|
bin | 1001100111101… |
… | …10111011111101 |
3 | 12121212011000111 |
4 | 10303312323331 |
5 | 131130000404 |
6 | 12001430021 |
7 | 1666652245 |
oct | 463667375 |
9 | 177764014 |
10 | 80703229 |
11 | 41611592 |
12 | 2303b311 |
13 | 139484b9 |
14 | aa0ab25 |
15 | 7142104 |
hex | 4cf6efd |
80703229 has 4 divisors (see below), whose sum is σ = 80754876. Its totient is φ = 80651584.
The previous prime is 80703223. The next prime is 80703247. The reversal of 80703229 is 92230708.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 21874329 + 58828900 = 4677^2 + 7670^2 .
It is a cyclic number.
It is not a de Polignac number, because 80703229 - 23 = 80703221 is a prime.
It is a super-2 number, since 2×807032292 = 13026022342052882, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80703229.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80703221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23404 + ... + 26629.
It is an arithmetic number, because the mean of its divisors is an integer number (20188719).
Almost surely, 280703229 is an apocalyptic number.
It is an amenable number.
80703229 is a deficient number, since it is larger than the sum of its proper divisors (51647).
80703229 is a wasteful number, since it uses less digits than its factorization.
80703229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51646.
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 80703229 is about 8983.4975928087. The cubic root of 80703229 is about 432.1458073349.
The spelling of 80703229 in words is "eighty million, seven hundred three thousand, two hundred twenty-nine".
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