Base | Representation |
---|---|
bin | 1110010011100… |
… | …10111000010000 |
3 | 22100211001022110 |
4 | 13021302320100 |
5 | 221210230313 |
6 | 15524105320 |
7 | 2655024105 |
oct | 711627020 |
9 | 270731273 |
10 | 120008208 |
11 | 61817a41 |
12 | 34235240 |
13 | 1bb2a898 |
14 | 11d1caac |
15 | a807ec3 |
hex | 7272e10 |
120008208 has 20 divisors (see below), whose sum is σ = 310021328. Its totient is φ = 40002720.
The previous prime is 120008201. The next prime is 120008233. The reversal of 120008208 is 802800021.
It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (120008201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250038 + ... + 1250133.
Almost surely, 2120008208 is an apocalyptic number.
It is an amenable number.
120008208 is an abundant number, since it is smaller than the sum of its proper divisors (190013120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120008208 is a wasteful number, since it uses less digits than its factorization.
120008208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2500182 (or 2500176 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
The square root of 120008208 is about 10954.8257859265. The cubic root of 120008208 is about 493.2536605368.
Adding to 120008208 its reverse (802800021), we get a palindrome (922808229).
The spelling of 120008208 in words is "one hundred twenty million, eight thousand, two hundred eight".
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