Base | Representation |
---|---|
bin | 10110111110101… |
… | …100000000111111 |
3 | 222212110001102202 |
4 | 112332230000333 |
5 | 1242144010332 |
6 | 102131142115 |
7 | 12360652622 |
oct | 2676540077 |
9 | 885401382 |
10 | 385531967 |
11 | 188693967 |
12 | a914493b |
13 | 61b47132 |
14 | 392b9db9 |
15 | 23ca6a62 |
hex | 16fac03f |
385531967 has 8 divisors (see below), whose sum is σ = 408522816. Its totient is φ = 362575872.
The previous prime is 385531879. The next prime is 385531969. The reversal of 385531967 is 769135583.
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 385531967 - 224 = 368754751 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 (385531969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16223 + ... + 32159.
It is an arithmetic number, because the mean of its divisors is an integer number (51065352).
Almost surely, 2385531967 is an apocalyptic number.
385531967 is a deficient number, since it is larger than the sum of its proper divisors (22990849).
385531967 is a wasteful number, since it uses less digits than its factorization.
385531967 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17377.
The product of its digits is 680400, while the sum is 47.
The square root of 385531967 is about 19634.9679653418. The cubic root of 385531967 is about 727.8135409594.
The spelling of 385531967 in words is "three hundred eighty-five million, five hundred thirty-one thousand, nine hundred sixty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •