Base | Representation |
---|---|
bin | 11001011111111… |
… | …101010010011101 |
3 | 1002210222220010002 |
4 | 121133331102131 |
5 | 1334004323101 |
6 | 110241224045 |
7 | 13413210233 |
oct | 3137752235 |
9 | 1083886102 |
10 | 427807901 |
11 | 1aa539454 |
12 | bb332025 |
13 | 6a829891 |
14 | 40b62953 |
15 | 27857d6b |
hex | 197fd49d |
427807901 has 8 divisors (see below), whose sum is σ = 429921408. Its totient is φ = 425700000.
The previous prime is 427807871. The next prime is 427807951. The reversal of 427807901 is 109708724.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 427807901 - 218 = 427545757 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427807951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247721 + ... + 249441.
It is an arithmetic number, because the mean of its divisors is an integer number (53740176).
Almost surely, 2427807901 is an apocalyptic number.
It is an amenable number.
427807901 is a deficient number, since it is larger than the sum of its proper divisors (2113507).
427807901 is a wasteful number, since it uses less digits than its factorization.
427807901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2803.
The product of its (nonzero) digits is 28224, while the sum is 38.
The square root of 427807901 is about 20683.5176166918. The cubic root of 427807901 is about 753.4994396858.
The spelling of 427807901 in words is "four hundred twenty-seven million, eight hundred seven thousand, nine hundred one".
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