Base | Representation |
---|---|
bin | 10111100011010… |
… | …001100001110111 |
3 | 1000112111022121001 |
4 | 113203101201313 |
5 | 1302122412212 |
6 | 103112504131 |
7 | 12535326352 |
oct | 2743214167 |
9 | 1015438531 |
10 | 395122807 |
11 | 193044682 |
12 | b03ab047 |
13 | 63b246a1 |
14 | 3a695299 |
15 | 24a4d657 |
hex | 178d1877 |
395122807 has 16 divisors (see below), whose sum is σ = 416473344. Its totient is φ = 374400000.
The previous prime is 395122799. The next prime is 395122813. The reversal of 395122807 is 708221593.
It is a cyclic number.
It is not a de Polignac number, because 395122807 - 23 = 395122799 is a prime.
It is a super-3 number, since 3×3951228073 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (395122817) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303057 + ... + 304357.
It is an arithmetic number, because the mean of its divisors is an integer number (26029584).
Almost surely, 2395122807 is an apocalyptic number.
395122807 is a deficient number, since it is larger than the sum of its proper divisors (21350537).
395122807 is a wasteful number, since it uses less digits than its factorization.
395122807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1530.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 395122807 is about 19877.6962196327. The cubic root of 395122807 is about 733.7994233750.
The spelling of 395122807 in words is "three hundred ninety-five million, one hundred twenty-two thousand, eight hundred seven".
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