Base | Representation |
---|---|
bin | 1001100100000… |
… | …01010011101011 |
3 | 12120221200002200 |
4 | 10302001103223 |
5 | 131014041134 |
6 | 11543231243 |
7 | 1662604455 |
oct | 462012353 |
9 | 176850080 |
10 | 80221419 |
11 | 413125a3 |
12 | 22a48523 |
13 | 1380a0c5 |
14 | a9232d5 |
15 | 7099499 |
hex | 4c814eb |
80221419 has 24 divisors (see below), whose sum is σ = 124263360. Its totient is φ = 49690368.
The previous prime is 80221417. The next prime is 80221441. The reversal of 80221419 is 91412208.
It is not a de Polignac number, because 80221419 - 21 = 80221417 is a prime.
It is a super-2 number, since 2×802214192 = 12870952132747122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80221392 and 80221401.
It is not an unprimeable number, because it can be changed into a prime (80221411) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8769 + ... + 15405.
It is an arithmetic number, because the mean of its divisors is an integer number (5177640).
Almost surely, 280221419 is an apocalyptic number.
80221419 is a deficient number, since it is larger than the sum of its proper divisors (44041941).
80221419 is a wasteful number, since it uses less digits than its factorization.
80221419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6739 (or 6736 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 80221419 is about 8956.6410556637. The cubic root of 80221419 is about 431.2840991310.
The spelling of 80221419 in words is "eighty million, two hundred twenty-one thousand, four hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •