Base | Representation |
---|---|
bin | 10111000101100… |
… | …100111000101001 |
3 | 222222211210112022 |
4 | 113011210320221 |
5 | 1243124302034 |
6 | 102233554225 |
7 | 12412213430 |
oct | 2705447051 |
9 | 888753468 |
10 | 387337769 |
11 | 189707665 |
12 | a9875975 |
13 | 6232a060 |
14 | 3962a117 |
15 | 24011b2e |
hex | 17164e29 |
387337769 has 8 divisors (see below), whose sum is σ = 476723520. Its totient is φ = 306464976.
The previous prime is 387337757. The next prime is 387337789. The reversal of 387337769 is 967733783.
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 387337769 - 28 = 387337513 is a prime.
It is a super-2 number, since 2×3873377692 = 300061094587794722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 387337769.
It is not an unprimeable number, because it can be changed into a prime (387337729) 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, 2128139 + ... + 2128320.
It is an arithmetic number, because the mean of its divisors is an integer number (59590440).
Almost surely, 2387337769 is an apocalyptic number.
It is an amenable number.
387337769 is a deficient number, since it is larger than the sum of its proper divisors (89385751).
387337769 is a wasteful number, since it uses less digits than its factorization.
387337769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4256479.
The product of its digits is 4000752, while the sum is 53.
The square root of 387337769 is about 19680.8985821278. The cubic root of 387337769 is about 728.9481122156.
The spelling of 387337769 in words is "three hundred eighty-seven million, three hundred thirty-seven thousand, seven hundred sixty-nine".
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