Base | Representation |
---|---|
bin | 1001100100011… |
… | …00111001100111 |
3 | 12121001002020100 |
4 | 10302030321213 |
5 | 131022101103 |
6 | 11544235143 |
7 | 1663163061 |
oct | 462147147 |
9 | 177032210 |
10 | 80268903 |
11 | 41345240 |
12 | 22a6bab3 |
13 | 138258c0 |
14 | a936731 |
15 | 70a85a3 |
hex | 4c8ce67 |
80268903 has 48 divisors (see below), whose sum is σ = 139216896. Its totient is φ = 43917120.
The previous prime is 80268899. The next prime is 80268911. The reversal of 80268903 is 30986208.
It is not a de Polignac number, because 80268903 - 22 = 80268899 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80268973) 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, 59826 + ... + 61152.
It is an arithmetic number, because the mean of its divisors is an integer number (2900352).
Almost surely, 280268903 is an apocalyptic number.
80268903 is a deficient number, since it is larger than the sum of its proper divisors (58947993).
80268903 is a wasteful number, since it uses less digits than its factorization.
80268903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1404 (or 1401 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 80268903 is about 8959.2914340365. The cubic root of 80268903 is about 431.3691763882.
The spelling of 80268903 in words is "eighty million, two hundred sixty-eight thousand, nine hundred three".
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