Search a number
-
+
30040034 = 242135677
BaseRepresentation
bin111001010010…
…1111111100010
32002112012011212
41302211333202
530142240114
62551510122
7513223163
oct162457742
962465155
1030040034
1115a58582
12a088342
1362ba28b
143dbd76a
152985b3e
hex1ca5fe2

30040034 has 8 divisors (see below), whose sum is σ = 45168348. Its totient is φ = 14983920.

The previous prime is 30040013. The next prime is 30040057. The reversal of 30040034 is 43004003.

It can be written as a sum of positive squares in 2 ways, for example, as 28121809 + 1918225 = 5303^2 + 1385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16997 + ... + 18680.

Almost surely, 230040034 is an apocalyptic number.

30040034 is a deficient number, since it is larger than the sum of its proper divisors (15128314).

30040034 is a wasteful number, since it uses less digits than its factorization.

30040034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36100.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30040034 is about 5480.8789441111. The cubic root of 30040034 is about 310.8614057659.

Adding to 30040034 its reverse (43004003), we get a palindrome (73044037).

The spelling of 30040034 in words is "thirty million, forty thousand, thirty-four", and thus it is an eban number.

Divisors: 1 2 421 842 35677 71354 15020017 30040034