Base | Representation |
---|---|
bin | 1001101000000… |
… | …11110110101001 |
3 | 12121221211121001 |
4 | 10310003312221 |
5 | 131133144022 |
6 | 12002515001 |
7 | 2000262430 |
oct | 464036651 |
9 | 177854531 |
10 | 80756137 |
11 | 41648310 |
12 | 23065a61 |
13 | 139665c7 |
14 | aa22117 |
15 | 7152b27 |
hex | 4d03da9 |
80756137 has 48 divisors (see below), whose sum is σ = 113172480. Its totient is φ = 55814400.
The previous prime is 80756113. The next prime is 80756141. The reversal of 80756137 is 73165708.
It is not a de Polignac number, because 80756137 - 215 = 80723369 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80756096 and 80756105.
It is not an unprimeable number, because it can be changed into a prime (80754137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422712 + ... + 422902.
It is an arithmetic number, because the mean of its divisors is an integer number (2357760).
Almost surely, 280756137 is an apocalyptic number.
It is an amenable number.
80756137 is a deficient number, since it is larger than the sum of its proper divisors (32416343).
80756137 is a wasteful number, since it uses less digits than its factorization.
80756137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262 (or 245 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 37.
The square root of 80756137 is about 8986.4418431324. The cubic root of 80756137 is about 432.2402231183.
The spelling of 80756137 in words is "eighty million, seven hundred fifty-six thousand, one hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •