Search a number
-
+
39030 = 2351301
BaseRepresentation
bin1001100001110110
31222112120
421201312
52222110
6500410
7221535
oct114166
958476
1039030
1127362
121a706
13149c4
141031c
15b870
hex9876

39030 has 16 divisors (see below), whose sum is σ = 93744. Its totient is φ = 10400.

The previous prime is 39023. The next prime is 39041. The reversal of 39030 is 3093.

39030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

39030 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a fibodiv number, since the Fibonacci-like sequence with seeds 390 and 30 contains 39030 itself.

It is a nialpdrome in base 5, base 15 and base 16.

It is a congruent number.

It is an unprimeable number.

39030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 680.

It is an arithmetic number, because the mean of its divisors is an integer number (5859).

239030 is an apocalyptic number.

39030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39030 is an abundant number, since it is smaller than the sum of its proper divisors (54714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46872).

39030 is a wasteful number, since it uses less digits than its factorization.

39030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 39030 is about 197.5601174326. The cubic root of 39030 is about 33.9208076155.

Subtracting from 39030 its reverse (3093), we obtain a cube (35937 = 333).

The spelling of 39030 in words is "thirty-nine thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1301 2602 3903 6505 7806 13010 19515 39030