Search a number
-
+
30045698 = 217883697
BaseRepresentation
bin111001010011…
…1011000000010
32002112110221122
41302213120002
530142430243
62551552242
7513245534
oct162473002
962473848
1030045698
1115a61861
12a08b682
1362bca27
143dc1854
152987668
hex1ca7602

30045698 has 8 divisors (see below), whose sum is σ = 47719692. Its totient is φ = 14139136.

The previous prime is 30045679. The next prime is 30045703. The reversal of 30045698 is 89654003.

It can be written as a sum of positive squares in 2 ways, for example, as 29888089 + 157609 = 5467^2 + 397^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441815 + ... + 441882.

Almost surely, 230045698 is an apocalyptic number.

30045698 is a deficient number, since it is larger than the sum of its proper divisors (17673994).

30045698 is a wasteful number, since it uses less digits than its factorization.

30045698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883716.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 30045698 is about 5481.3956252035. The cubic root of 30045698 is about 310.8809420105.

The spelling of 30045698 in words is "thirty million, forty-five thousand, six hundred ninety-eight".

Divisors: 1 2 17 34 883697 1767394 15022849 30045698