Base | Representation |
---|---|
bin | 1001100101000… |
… | …00100000111111 |
3 | 12121012011110001 |
4 | 10302200200333 |
5 | 131032133442 |
6 | 11550055131 |
7 | 1663646236 |
oct | 462404077 |
9 | 177164401 |
10 | 80349247 |
11 | 4139a640 |
12 | 22aaa4a7 |
13 | 13853344 |
14 | a957b1d |
15 | 70c22b7 |
hex | 4ca083f |
80349247 has 8 divisors (see below), whose sum is σ = 87748560. Its totient is φ = 72965760.
The previous prime is 80349239. The next prime is 80349263. The reversal of 80349247 is 74294308.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80349247 - 23 = 80349239 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80349287) 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, 8343 + ... + 15175.
It is an arithmetic number, because the mean of its divisors is an integer number (10968570).
Almost surely, 280349247 is an apocalyptic number.
80349247 is a deficient number, since it is larger than the sum of its proper divisors (7399313).
80349247 is a wasteful number, since it uses less digits than its factorization.
80349247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7913.
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 80349247 is about 8963.7741493190. The cubic root of 80349247 is about 431.5130526458.
The spelling of 80349247 in words is "eighty million, three hundred forty-nine thousand, two hundred forty-seven".
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