Base | Representation |
---|---|
bin | 11001000010110… |
… | …001110110101111 |
3 | 1002021121021122120 |
4 | 121002301312233 |
5 | 1330030041040 |
6 | 105405244023 |
7 | 13261202022 |
oct | 3102616657 |
9 | 1067537576 |
10 | 420158895 |
11 | 1a6194662 |
12 | b8863613 |
13 | 6907c140 |
14 | 3db311b9 |
15 | 26d467d0 |
hex | 190b1daf |
420158895 has 48 divisors (see below), whose sum is σ = 734700960. Its totient is φ = 203821056.
The previous prime is 420158839. The next prime is 420158899. The reversal of 420158895 is 598851024.
It is a happy number.
It is not a de Polignac number, because 420158895 - 26 = 420158831 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420158899) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1834641 + ... + 1834869.
It is an arithmetic number, because the mean of its divisors is an integer number (15306270).
Almost surely, 2420158895 is an apocalyptic number.
420158895 is a deficient number, since it is larger than the sum of its proper divisors (314542065).
420158895 is a wasteful number, since it uses less digits than its factorization.
420158895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 444 (or 347 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 42.
The square root of 420158895 is about 20497.7778063867. Note that the first 3 decimals coincide. The cubic root of 420158895 is about 748.9816668448.
The spelling of 420158895 in words is "four hundred twenty million, one hundred fifty-eight thousand, eight hundred ninety-five".
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