Search a number
-
+
30339994 = 215169997
BaseRepresentation
bin111001110111…
…1001110011010
32010002102122111
41303233032122
530231334434
63002142534
7515612536
oct163571632
963072574
1030339994
1116142983
12a1b1a4a
136393979
14405abc6
1529e4964
hex1cef39a

30339994 has 4 divisors (see below), whose sum is σ = 45509994. Its totient is φ = 15169996.

The previous prime is 30339973. The next prime is 30340007. The reversal of 30339994 is 49993303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 34969 = 5505^2 + 187^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7584997 + ... + 7585000.

Almost surely, 230339994 is an apocalyptic number.

30339994 is a deficient number, since it is larger than the sum of its proper divisors (15170000).

30339994 is a wasteful number, since it uses less digits than its factorization.

30339994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15169999.

The product of its (nonzero) digits is 78732, while the sum is 40.

The square root of 30339994 is about 5508.1751969232. The cubic root of 30339994 is about 311.8926666190.

The spelling of 30339994 in words is "thirty million, three hundred thirty-nine thousand, nine hundred ninety-four".

Divisors: 1 2 15169997 30339994