Base | Representation |
---|---|
bin | 1001100011001… |
… | …00010001001000 |
3 | 12120201121221020 |
4 | 10301210101020 |
5 | 131001234342 |
6 | 11540512440 |
7 | 1661600622 |
oct | 461442110 |
9 | 176647836 |
10 | 80102472 |
11 | 4124119a |
12 | 229ab720 |
13 | 13797c18 |
14 | a8d1c12 |
15 | 70740ec |
hex | 4c64448 |
80102472 has 16 divisors (see below), whose sum is σ = 200256240. Its totient is φ = 26700816.
The previous prime is 80102459. The next prime is 80102483. The reversal of 80102472 is 27420108.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 3337603 = 80102472 / (8 + 0 + 1 + 0 + 2 + 4 + 7 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668778 + ... + 1668825.
It is an arithmetic number, because the mean of its divisors is an integer number (12516015).
Almost surely, 280102472 is an apocalyptic number.
It is an amenable number.
80102472 is an abundant number, since it is smaller than the sum of its proper divisors (120153768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80102472 is a wasteful number, since it uses less digits than its factorization.
80102472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3337612 (or 3337608 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 80102472 is about 8949.9984357541. The cubic root of 80102472 is about 431.0708338709.
The spelling of 80102472 in words is "eighty million, one hundred two thousand, four hundred seventy-two".
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