Base | Representation |
---|---|
bin | 10111000111001… |
… | …111011111011101 |
3 | 1000000122222111220 |
4 | 113013033133131 |
5 | 1243232240204 |
6 | 102251203553 |
7 | 12416012460 |
oct | 2707173735 |
9 | 1000588456 |
10 | 387774429 |
11 | 189985739 |
12 | a9a465b9 |
13 | 62450a33 |
14 | 397012d7 |
15 | 2409b1d9 |
hex | 171cf7dd |
387774429 has 8 divisors (see below), whose sum is σ = 590894400. Its totient is φ = 221585376.
The previous prime is 387774421. The next prime is 387774469. The reversal of 387774429 is 924477783.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 387774429 - 23 = 387774421 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387774421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9232704 + ... + 9232745.
It is an arithmetic number, because the mean of its divisors is an integer number (73861800).
Almost surely, 2387774429 is an apocalyptic number.
It is an amenable number.
387774429 is a deficient number, since it is larger than the sum of its proper divisors (203119971).
387774429 is a wasteful number, since it uses less digits than its factorization.
387774429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18465459.
The product of its digits is 2370816, while the sum is 51.
The square root of 387774429 is about 19691.9889549024. The cubic root of 387774429 is about 729.2219326136.
The spelling of 387774429 in words is "three hundred eighty-seven million, seven hundred seventy-four thousand, four hundred twenty-nine".
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