Base | Representation |
---|---|
bin | 1001100100001… |
… | …10101111101111 |
3 | 12120222210122201 |
4 | 10302012233233 |
5 | 131020244240 |
6 | 11543522331 |
7 | 1663026430 |
oct | 462065757 |
9 | 176883581 |
10 | 80243695 |
11 | 41328304 |
12 | 22a593a7 |
13 | 1381729c |
14 | a92b487 |
15 | 70a0d9a |
hex | 4c86bef |
80243695 has 16 divisors (see below), whose sum is σ = 111121920. Its totient is φ = 54487584.
The previous prime is 80243693. The next prime is 80243741. The reversal of 80243695 is 59634208.
It is a cyclic number.
It is not a de Polignac number, because 80243695 - 21 = 80243693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80243693) 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, 7525 + ... + 14734.
It is an arithmetic number, because the mean of its divisors is an integer number (6945120).
Almost surely, 280243695 is an apocalyptic number.
80243695 is a deficient number, since it is larger than the sum of its proper divisors (30878225).
80243695 is a wasteful number, since it uses less digits than its factorization.
80243695 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22374.
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 80243695 is about 8957.8845158888. The cubic root of 80243695 is about 431.3240153014.
The spelling of 80243695 in words is "eighty million, two hundred forty-three thousand, six hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •