Base | Representation |
---|---|
bin | 1011110011111000101 |
3 | 201122212211 |
4 | 1132133011 |
5 | 44341023 |
6 | 12143421 |
7 | 3201214 |
oct | 1363705 |
9 | 648784 |
10 | 387013 |
11 | 244850 |
12 | 167b71 |
13 | 107203 |
14 | a107b |
15 | 79a0d |
hex | 5e7c5 |
387013 has 8 divisors (see below), whose sum is σ = 426816. Its totient is φ = 348000.
The previous prime is 387007. The next prime is 387017. The reversal of 387013 is 310783.
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 387013 - 29 = 386501 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 (387017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545 + ... + 1777.
It is an arithmetic number, because the mean of its divisors is an integer number (53352).
2387013 is an apocalyptic number.
It is an amenable number.
387013 is a deficient number, since it is larger than the sum of its proper divisors (39803).
387013 is a wasteful number, since it uses less digits than its factorization.
387013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 387013 is about 622.1036891066. The cubic root of 387013 is about 72.8744322857.
Adding to 387013 its reverse (310783), we get a palindrome (697796).
It can be divided in two parts, 3870 and 13, that added together give a palindrome (3883).
The spelling of 387013 in words is "three hundred eighty-seven thousand, thirteen".
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