Base | Representation |
---|---|
bin | 11110110100111101111000 |
3 | 120012120102101 |
4 | 132310331320 |
5 | 4032100042 |
6 | 445113144 |
7 | 125455363 |
oct | 36647570 |
9 | 16176371 |
10 | 8081272 |
11 | 461a641 |
12 | 28587b4 |
13 | 189c424 |
14 | 11050da |
15 | a996b7 |
hex | 7b4f78 |
8081272 has 16 divisors (see below), whose sum is σ = 15379560. Its totient is φ = 3980064.
The previous prime is 8081267. The next prime is 8081287. The reversal of 8081272 is 2721808.
It is a self number, because there is not a number n which added to its sum of digits gives 8081272.
It is a congruent number.
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, 7003 + ... + 8074.
Almost surely, 28081272 is an apocalyptic number.
It is an amenable number.
8081272 is a deficient number, since it is larger than the sum of its proper divisors (7298288).
8081272 is a wasteful number, since it uses less digits than its factorization.
8081272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15150 (or 15146 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 8081272 is about 2842.7578159245. The cubic root of 8081272 is about 200.6749860729.
It can be divided in two parts, 808 and 1272, that added together give a triangular number (2080 = T64).
The spelling of 8081272 in words is "eight million, eighty-one thousand, two hundred seventy-two".
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