Base | Representation |
---|---|
bin | 1111111010100111… |
… | …1111011111011001 |
3 | 102000202022110120100 |
4 | 3332221333133121 |
5 | 32222214431300 |
6 | 1543540450013 |
7 | 210605656251 |
oct | 37651773731 |
9 | 12022273510 |
10 | 4272420825 |
11 | 18a2741002 |
12 | 9b29a9909 |
13 | 5311b437a |
14 | 2c75c8961 |
15 | 1a0137700 |
hex | fea7f7d9 |
4272420825 has 36 divisors (see below), whose sum is σ = 7766622448. Its totient is φ = 2244607200.
The previous prime is 4272420809. The next prime is 4272420827. The reversal of 4272420825 is 5280242724.
4272420825 is a `hidden beast` number, since 427 + 2 + 4 + 208 + 25 = 666.
It is not a de Polignac number, because 4272420825 - 24 = 4272420809 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 4272420825.
It is not an unprimeable number, because it can be changed into a prime (4272420827) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 126631 + ... + 156780.
Almost surely, 24272420825 is an apocalyptic number.
4272420825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
4272420825 is a deficient number, since it is larger than the sum of its proper divisors (3494201623).
4272420825 is a wasteful number, since it uses less digits than its factorization.
4272420825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283494 (or 283486 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 36.
The square root of 4272420825 is about 65363.7577331659. The cubic root of 4272420825 is about 1622.6493286523.
The spelling of 4272420825 in words is "four billion, two hundred seventy-two million, four hundred twenty thousand, eight hundred twenty-five".
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