Base | Representation |
---|---|
bin | 110000010101111… |
… | …1111010010000010 |
3 | 11012001100110102020 |
4 | 1200223333102002 |
5 | 11310232103010 |
6 | 424544102310 |
7 | 55124666115 |
oct | 14053772202 |
9 | 4161313366 |
10 | 1622144130 |
11 | 762726992 |
12 | 393304996 |
13 | 1cb0ba0c9 |
14 | 11561a57c |
15 | 97625470 |
hex | 60aff482 |
1622144130 has 64 divisors (see below), whose sum is σ = 4069785600. Its totient is φ = 413300160.
The previous prime is 1622144123. The next prime is 1622144141. The reversal of 1622144130 is 314412261.
It is a self number, because there is not a number n which added to its sum of digits gives 1622144130.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62431 + ... + 84509.
It is an arithmetic number, because the mean of its divisors is an integer number (63590400).
Almost surely, 21622144130 is an apocalyptic number.
1622144130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1622144130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034892800).
1622144130 is an abundant number, since it is smaller than the sum of its proper divisors (2447641470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1622144130 is a wasteful number, since it uses less digits than its factorization.
1622144130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22199.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 1622144130 is about 40275.8504565701. The cubic root of 1622144130 is about 1174.9782111547.
Adding to 1622144130 its reverse (314412261), we get a palindrome (1936556391).
The spelling of 1622144130 in words is "one billion, six hundred twenty-two million, one hundred forty-four thousand, one hundred thirty".
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