Base | Representation |
---|---|
bin | 1001101000101… |
… | …11111010000000 |
3 | 12122010000021002 |
4 | 10310113322000 |
5 | 131143311042 |
6 | 12004351132 |
7 | 2001054044 |
oct | 464277200 |
9 | 178100232 |
10 | 80838272 |
11 | 416a3a99 |
12 | 230a54a8 |
13 | 13994ac8 |
14 | aa44024 |
15 | 716c132 |
hex | 4d17e80 |
80838272 has 16 divisors (see below), whose sum is σ = 161045250. Its totient is φ = 40419072.
The previous prime is 80838271. The next prime is 80838301. The reversal of 80838272 is 27283808.
It can be written as a sum of positive squares in only one way, i.e., 72863296 + 7974976 = 8536^2 + 2824^2 .
It is a tau number, because it is divible by the number of its divisors (16).
It is not an unprimeable number, because it can be changed into a prime (80838271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315647 + ... + 315902.
Almost surely, 280838272 is an apocalyptic number.
It is an amenable number.
80838272 is a deficient number, since it is larger than the sum of its proper divisors (80206978).
80838272 is an equidigital number, since it uses as much as digits as its factorization.
80838272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 631563 (or 631551 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 38.
The square root of 80838272 is about 8991.0106217266. The cubic root of 80838272 is about 432.3867136215.
The spelling of 80838272 in words is "eighty million, eight hundred thirty-eight thousand, two hundred seventy-two".
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