Base | Representation |
---|---|
bin | 10110101101100… |
… | …001011001000110 |
3 | 222112222102122112 |
4 | 112231201121012 |
5 | 1240021011011 |
6 | 101450501022 |
7 | 12304501325 |
oct | 2655413106 |
9 | 875872575 |
10 | 381032006 |
11 | 18609aa93 |
12 | a7734772 |
13 | 60c2cb34 |
14 | 388680bc |
15 | 236b858b |
hex | 16b61646 |
381032006 has 8 divisors (see below), whose sum is σ = 571998720. Its totient is φ = 190365768.
The previous prime is 381031993. The next prime is 381032009. The reversal of 381032006 is 600230183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381032009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71921 + ... + 77036.
It is an arithmetic number, because the mean of its divisors is an integer number (71499840).
Almost surely, 2381032006 is an apocalyptic number.
381032006 is a deficient number, since it is larger than the sum of its proper divisors (190966714).
381032006 is a wasteful number, since it uses less digits than its factorization.
381032006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150238.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 381032006 is about 19520.0411372517. The cubic root of 381032006 is about 724.9707517333.
Adding to 381032006 its reverse (600230183), we get a palindrome (981262189).
The spelling of 381032006 in words is "three hundred eighty-one million, thirty-two thousand, six".
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