Base | Representation |
---|---|
bin | 1001100100100… |
… | …10000111011001 |
3 | 12121002011112112 |
4 | 10302102013121 |
5 | 131023242030 |
6 | 11544522105 |
7 | 1663312256 |
oct | 462220731 |
9 | 177064475 |
10 | 80290265 |
11 | 4135a2a0 |
12 | 22a80335 |
13 | 13832543 |
14 | a94042d |
15 | 70aea95 |
hex | 4c921d9 |
80290265 has 8 divisors (see below), whose sum is σ = 105107328. Its totient is φ = 58392880.
The previous prime is 80290157. The next prime is 80290267. The reversal of 80290265 is 56209208.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80290265 - 210 = 80289241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80290267) 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, 729857 + ... + 729966.
It is an arithmetic number, because the mean of its divisors is an integer number (13138416).
Almost surely, 280290265 is an apocalyptic number.
It is an amenable number.
80290265 is a deficient number, since it is larger than the sum of its proper divisors (24817063).
80290265 is a wasteful number, since it uses less digits than its factorization.
80290265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1459839.
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 80290265 is about 8960.4835248998. The cubic root of 80290265 is about 431.4074398197.
The spelling of 80290265 in words is "eighty million, two hundred ninety thousand, two hundred sixty-five".
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