Base | Representation |
---|---|
bin | 10111100100011… |
… | …010011011101000 |
3 | 1000120001111012122 |
4 | 113210122123220 |
5 | 1302211441131 |
6 | 103123130412 |
7 | 12541012055 |
oct | 2744323350 |
9 | 1016044178 |
10 | 395421416 |
11 | 193228a65 |
12 | b0513a08 |
13 | 63bca590 |
14 | 3a73202c |
15 | 24aabd7b |
hex | 1791a6e8 |
395421416 has 16 divisors (see below), whose sum is σ = 798447300. Its totient is φ = 182502144.
The previous prime is 395421413. The next prime is 395421419. The reversal of 395421416 is 614124593.
It is an interprime number because it is at equal distance from previous prime (395421413) and next prime (395421419).
It can be written as a sum of positive squares in 2 ways, for example, as 347673316 + 47748100 = 18646^2 + 6910^2 .
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (395421413) 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, 1900961 + ... + 1901168.
Almost surely, 2395421416 is an apocalyptic number.
It is an amenable number.
395421416 is an abundant number, since it is smaller than the sum of its proper divisors (403025884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395421416 is a wasteful number, since it uses less digits than its factorization.
395421416 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3802148 (or 3802144 counting only the distinct ones).
The product of its digits is 25920, while the sum is 35.
The square root of 395421416 is about 19885.2059581992. The cubic root of 395421416 is about 733.9842299992.
The spelling of 395421416 in words is "three hundred ninety-five million, four hundred twenty-one thousand, four hundred sixteen".
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