Base | Representation |
---|---|
bin | 10110111110110… |
… | …001101001111100 |
3 | 222212111020010100 |
4 | 112332301221330 |
5 | 1242200230233 |
6 | 102131441100 |
7 | 12361110153 |
oct | 2676615174 |
9 | 885436110 |
10 | 385555068 |
11 | 1886aa258 |
12 | a9156190 |
13 | 61b547c2 |
14 | 392c459a |
15 | 23cad813 |
hex | 16fb1a7c |
385555068 has 72 divisors (see below), whose sum is σ = 1028627600. Its totient is φ = 121430016.
The previous prime is 385555061. The next prime is 385555069. The reversal of 385555068 is 860555583.
385555068 is a `hidden beast` number, since 38 + 5 + 5 + 550 + 68 = 666.
385555068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385555061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500988 + ... + 501756.
Almost surely, 2385555068 is an apocalyptic number.
385555068 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 385555068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514313800).
385555068 is an abundant number, since it is smaller than the sum of its proper divisors (643072532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385555068 is a wasteful number, since it uses less digits than its factorization.
385555068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1531 (or 1526 counting only the distinct ones).
The product of its (nonzero) digits is 720000, while the sum is 45.
The square root of 385555068 is about 19635.5562182486. The cubic root of 385555068 is about 727.8280774840.
The spelling of 385555068 in words is "three hundred eighty-five million, five hundred fifty-five thousand, sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •