Base | Representation |
---|---|
bin | 1001100111001… |
… | …10100110100101 |
3 | 12121201202020120 |
4 | 10303212212211 |
5 | 131120330300 |
6 | 12000152153 |
7 | 1666253220 |
oct | 463464645 |
9 | 177652216 |
10 | 80636325 |
11 | 415762a0 |
12 | 23008659 |
13 | 13923c03 |
14 | a9d05b7 |
15 | 712c3a0 |
hex | 4ce69a5 |
80636325 has 48 divisors (see below), whose sum is σ = 166227456. Its totient is φ = 33508800.
The previous prime is 80636317. The next prime is 80636329. The reversal of 80636325 is 52363608.
It is not a de Polignac number, because 80636325 - 23 = 80636317 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80636329) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1207 + ... + 12756.
It is an arithmetic number, because the mean of its divisors is an integer number (3463072).
Almost surely, 280636325 is an apocalyptic number.
It is an amenable number.
80636325 is an abundant number, since it is smaller than the sum of its proper divisors (85591131).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80636325 is a wasteful number, since it uses less digits than its factorization.
80636325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13994 (or 13989 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 33.
The square root of 80636325 is about 8979.7731040378. The cubic root of 80636325 is about 432.0263562023.
The spelling of 80636325 in words is "eighty million, six hundred thirty-six thousand, three hundred twenty-five".
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