Base | Representation |
---|---|
bin | 101011011001100000000 |
3 | 2200020201122 |
4 | 11123030000 |
5 | 331001310 |
6 | 50251412 |
7 | 15042002 |
oct | 5331400 |
9 | 2606648 |
10 | 1422080 |
11 | 891480 |
12 | 586b68 |
13 | 3aa38a |
14 | 290372 |
15 | 1d1555 |
hex | 15b300 |
1422080 has 72 divisors (see below), whose sum is σ = 3752784. Its totient is φ = 512000.
The previous prime is 1422061. The next prime is 1422089. The reversal of 1422080 is 802241.
It is not an unprimeable number, because it can be changed into a prime (1422089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14030 + ... + 14130.
It is an arithmetic number, because the mean of its divisors is an integer number (52122).
21422080 is an apocalyptic number.
1422080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1422080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876392).
1422080 is an abundant number, since it is smaller than the sum of its proper divisors (2330704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1422080 is a wasteful number, since it uses less digits than its factorization.
1422080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133 (or 119 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 1422080 is about 1192.5099580297. The cubic root of 1422080 is about 112.4539399923.
It can be divided in two parts, 142 and 2080, that added together give a palindrome (2222).
The spelling of 1422080 in words is "one million, four hundred twenty-two thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •