Base | Representation |
---|---|
bin | 10110111110001… |
… | …101111011000010 |
3 | 222212012210100112 |
4 | 112332031323002 |
5 | 1242131034311 |
6 | 102124351322 |
7 | 12356630354 |
oct | 2676157302 |
9 | 885183315 |
10 | 385408706 |
11 | 18860a2a1 |
12 | a90a5542 |
13 | 61b02cb7 |
14 | 392870d4 |
15 | 23c8028b |
hex | 16f8dec2 |
385408706 has 8 divisors (see below), whose sum is σ = 578285244. Its totient is φ = 192646960.
The previous prime is 385408703. The next prime is 385408729. The reversal of 385408706 is 607804583.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 360658081 + 24750625 = 18991^2 + 4975^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (385408703) 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 3 ways as a sum of consecutive naturals, for example, 19745 + ... + 34068.
Almost surely, 2385408706 is an apocalyptic number.
385408706 is a deficient number, since it is larger than the sum of its proper divisors (192876538).
385408706 is a wasteful number, since it uses less digits than its factorization.
385408706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57396.
The product of its (nonzero) digits is 161280, while the sum is 41.
The square root of 385408706 is about 19631.8289010474. The cubic root of 385408706 is about 727.7359679823.
The spelling of 385408706 in words is "three hundred eighty-five million, four hundred eight thousand, seven hundred six".
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