Base | Representation |
---|---|
bin | 1001100101111… |
… | …10100011101001 |
3 | 12121102102020110 |
4 | 10302332203221 |
5 | 131100103142 |
6 | 11552444533 |
7 | 1665001053 |
oct | 462764351 |
9 | 177372213 |
10 | 80472297 |
11 | 41474034 |
12 | 22b49749 |
13 | 13897359 |
14 | a98a8d3 |
15 | 70e899c |
hex | 4cbe8e9 |
80472297 has 8 divisors (see below), whose sum is σ = 107568256. Its totient is φ = 53512272.
The previous prime is 80472269. The next prime is 80472313. The reversal of 80472297 is 79227408.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80472297 - 224 = 63695081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80472247) 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, 32593 + ... + 34974.
It is an arithmetic number, because the mean of its divisors is an integer number (13446032).
Almost surely, 280472297 is an apocalyptic number.
It is an amenable number.
80472297 is a deficient number, since it is larger than the sum of its proper divisors (27095959).
80472297 is a wasteful number, since it uses less digits than its factorization.
80472297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67967.
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 80472297 is about 8970.6352617861. The cubic root of 80472297 is about 431.7332189856.
The spelling of 80472297 in words is "eighty million, four hundred seventy-two thousand, two hundred ninety-seven".
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