Base | Representation |
---|---|
bin | 1001100101000… |
… | …00100101100001 |
3 | 12121012011211210 |
4 | 10302200211201 |
5 | 131032141122 |
6 | 11550100333 |
7 | 1663650132 |
oct | 462404541 |
9 | 177164753 |
10 | 80349537 |
11 | 4139a884 |
12 | 22aaa6a9 |
13 | 13853508 |
14 | a957c89 |
15 | 70c240c |
hex | 4ca0961 |
80349537 has 16 divisors (see below), whose sum is σ = 114903360. Its totient is φ = 49787712.
The previous prime is 80349509. The next prime is 80349539. The reversal of 80349537 is 73594308.
It is not a de Polignac number, because 80349537 - 26 = 80349473 is a prime.
It is a super-2 number, since 2×803495372 = 12912096192228738, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80349495 and 80349504.
It is not an unprimeable number, because it can be changed into a prime (80349539) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10278 + ... + 16319.
It is an arithmetic number, because the mean of its divisors is an integer number (7181460).
Almost surely, 280349537 is an apocalyptic number.
It is an amenable number.
80349537 is a deficient number, since it is larger than the sum of its proper divisors (34553823).
80349537 is a wasteful number, since it uses less digits than its factorization.
80349537 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26672.
The product of its (nonzero) digits is 90720, while the sum is 39.
The square root of 80349537 is about 8963.7903255264. The cubic root of 80349537 is about 431.5135717904.
It can be divided in two parts, 8034 and 9537, that added together give a palindrome (17571).
The spelling of 80349537 in words is "eighty million, three hundred forty-nine thousand, five hundred thirty-seven".
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