Base | Representation |
---|---|
bin | 11001001010000… |
… | …001011011010000 |
3 | 1002102011202021221 |
4 | 121022001123100 |
5 | 1331021321210 |
6 | 105514054424 |
7 | 13313300602 |
oct | 3112013320 |
9 | 1072152257 |
10 | 422057680 |
11 | 1a7271200 |
12 | b941a414 |
13 | 69595495 |
14 | 400a7172 |
15 | 270be1da |
hex | 192816d0 |
422057680 has 120 divisors (see below), whose sum is σ = 1098367200. Its totient is φ = 150670080.
The previous prime is 422057633. The next prime is 422057683. The reversal of 422057680 is 86750224.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (422057683) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570751 + ... + 571489.
It is an arithmetic number, because the mean of its divisors is an integer number (9153060).
Almost surely, 2422057680 is an apocalyptic number.
422057680 is a gapful number since it is divisible by the number (40) 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 422057680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549183600).
422057680 is an abundant number, since it is smaller than the sum of its proper divisors (676309520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
422057680 is a wasteful number, since it uses less digits than its factorization.
422057680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 833 (or 816 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 422057680 is about 20544.0424454390. The cubic root of 422057680 is about 750.1082391931.
The spelling of 422057680 in words is "four hundred twenty-two million, fifty-seven thousand, six hundred eighty".
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