Base | Representation |
---|---|
bin | 10110111101010… |
… | …111011111101110 |
3 | 222211210110112210 |
4 | 112331113133232 |
5 | 1242101421044 |
6 | 102115511250 |
7 | 12355011411 |
oct | 2675273756 |
9 | 884713483 |
10 | 385185774 |
11 | 188477856 |
12 | a8bb8526 |
13 | 61a5569c |
14 | 39229b78 |
15 | 23c391b9 |
hex | 16f577ee |
385185774 has 16 divisors (see below), whose sum is σ = 786763008. Its totient is φ = 125663352.
The previous prime is 385185767. The next prime is 385185791. The reversal of 385185774 is 477581583.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682672 + ... + 683235.
It is an arithmetic number, because the mean of its divisors is an integer number (49172688).
Almost surely, 2385185774 is an apocalyptic number.
385185774 is an abundant number, since it is smaller than the sum of its proper divisors (401577234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385185774 is a wasteful number, since it uses less digits than its factorization.
385185774 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1365959.
The product of its digits is 940800, while the sum is 48.
The square root of 385185774 is about 19626.1502592842. The cubic root of 385185774 is about 727.5956261210.
The spelling of 385185774 in words is "three hundred eighty-five million, one hundred eighty-five thousand, seven hundred seventy-four".
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