| Base | Representation |
|---|---|
| bin | 100101110010100… |
| … | …100000101110100 |
| 3 | 1122012000010222200 |
| 4 | 211302210011310 |
| 5 | 2244301341040 |
| 6 | 142525024500 |
| 7 | 21466004355 |
| oct | 4562440564 |
| 9 | 1565003880 |
| 10 | 634012020 |
| 11 | 2a5979684 |
| 12 | 1583b5130 |
| 13 | a1476a55 |
| 14 | 602bbd2c |
| 15 | 3a9da630 |
| hex | 25ca4174 |
634012020 has 144 divisors (see below), whose sum is σ = 2061521280. Its totient is φ = 157310208.
The previous prime is 634012013. The next prime is 634012021. The reversal of 634012020 is 20210436.
It is a happy number.
634012020 is a `hidden beast` number, since 63 + 401 + 202 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 634011984 and 634012002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (634012021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151111 + ... + 155249.
It is an arithmetic number, because the mean of its divisors is an integer number (14316120).
Almost surely, 2634012020 is an apocalyptic number.
634012020 is a gapful number since it is divisible by the number (60) 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 634012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030760640).
634012020 is an abundant number, since it is smaller than the sum of its proper divisors (1427509260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
634012020 is a wasteful number, since it uses less digits than its factorization.
634012020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4214 (or 4209 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 634012020 is about 25179.5953104890. The cubic root of 634012020 is about 859.0778017958.
Adding to 634012020 its reverse (20210436), we get a palindrome (654222456).
The spelling of 634012020 in words is "six hundred thirty-four million, twelve thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •