Base | Representation |
---|---|
bin | 101010011111100… |
… | …0111000011101000 |
3 | 10200100221200012222 |
4 | 1110333013003220 |
5 | 10410003030440 |
6 | 353252253212 |
7 | 50222233061 |
oct | 12477070350 |
9 | 3610850188 |
10 | 1425830120 |
11 | 671931300 |
12 | 339611208 |
13 | 199523780 |
14 | d7517568 |
15 | 852982b5 |
hex | 54fc70e8 |
1425830120 has 384 divisors, whose sum is σ = 4247147520. Its totient is φ = 425779200.
The previous prime is 1425830101. The next prime is 1425830123. The reversal of 1425830120 is 210385241.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a self number, because there is not a number n which added to its sum of digits gives 1425830120.
It is not an unprimeable number, because it can be changed into a prime (1425830123) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33158819 + ... + 33158861.
It is an arithmetic number, because the mean of its divisors is an integer number (11060280).
Almost surely, 21425830120 is an apocalyptic number.
1425830120 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 1425830120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2123573760).
1425830120 is an abundant number, since it is smaller than the sum of its proper divisors (2821317400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1425830120 is a wasteful number, since it uses less digits than its factorization.
1425830120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137 (or 122 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 1425830120 is about 37760.1657835344. The cubic root of 1425830120 is about 1125.5270274688.
The spelling of 1425830120 in words is "one billion, four hundred twenty-five million, eight hundred thirty thousand, one hundred twenty".
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