Search a number
-
+
30042003 = 314396959
BaseRepresentation
bin111001010011…
…0011110010011
32002112021212210
41302212132103
530142321003
62551523203
7513232005
oct162463623
962467783
1030042003
1115a5a002
12a089503
1362bb144
143dc0375
152986503
hex1ca6793

30042003 has 8 divisors (see below), whose sum is σ = 40089600. Its totient is φ = 20011208.

The previous prime is 30041989. The next prime is 30042011. The reversal of 30042003 is 30024003.

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 30042003 - 29 = 30041491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30042003.

It is not an unprimeable number, because it can be changed into a prime (30042013) 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, 838 + ... + 7796.

It is an arithmetic number, because the mean of its divisors is an integer number (5011200).

Almost surely, 230042003 is an apocalyptic number.

30042003 is a deficient number, since it is larger than the sum of its proper divisors (10047597).

30042003 is a wasteful number, since it uses less digits than its factorization.

30042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 30042003 is about 5481.0585656422. The cubic root of 30042003 is about 310.8681975107.

Adding to 30042003 its reverse (30024003), we get a palindrome (60066006).

The spelling of 30042003 in words is "thirty million, forty-two thousand, three".

Divisors: 1 3 1439 4317 6959 20877 10014001 30042003