Base | Representation |
---|---|
bin | 10111000100100… |
… | …110000011101101 |
3 | 222222100201112012 |
4 | 113010212003231 |
5 | 1243043033204 |
6 | 102224251005 |
7 | 12410062241 |
oct | 2704460355 |
9 | 888321465 |
10 | 387080429 |
11 | 18955128a |
12 | a9770a65 |
13 | 62269b98 |
14 | 395a0421 |
15 | 23eb076e |
hex | 171260ed |
387080429 has 8 divisors (see below), whose sum is σ = 423983160. Its totient is φ = 351748096.
The previous prime is 387080423. The next prime is 387080443. The reversal of 387080429 is 924080783.
It can be written as a sum of positive squares in 4 ways, for example, as 142157929 + 244922500 = 11923^2 + 15650^2 .
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 387080429 - 24 = 387080413 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 (387080423) 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, 392084 + ... + 393069.
It is an arithmetic number, because the mean of its divisors is an integer number (52997895).
Almost surely, 2387080429 is an apocalyptic number.
It is an amenable number.
387080429 is a deficient number, since it is larger than the sum of its proper divisors (36902731).
387080429 is a wasteful number, since it uses less digits than its factorization.
387080429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 785199.
The product of its (nonzero) digits is 96768, while the sum is 41.
The square root of 387080429 is about 19674.3596846251. The cubic root of 387080429 is about 728.7866432681.
The spelling of 387080429 in words is "three hundred eighty-seven million, eighty thousand, four hundred twenty-nine".
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