Search a number
-
+
30045059 = 1113719937
BaseRepresentation
bin111001010011…
…1001110000011
32002112110001222
41302213032003
530142420214
62551545255
7513243632
oct162471603
962473058
1030045059
1115a61330
12a08b22b
1362bc655
143dc1519
15298738e
hex1ca7383

30045059 has 8 divisors (see below), whose sum is σ = 33017328. Its totient is φ = 27112960.

The previous prime is 30045053. The next prime is 30045077. The reversal of 30045059 is 95054003.

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 30045059 - 212 = 30040963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30045053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8462 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (4127166).

Almost surely, 230045059 is an apocalyptic number.

30045059 is a deficient number, since it is larger than the sum of its proper divisors (2972269).

30045059 is a wasteful number, since it uses less digits than its factorization.

30045059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20085.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 30045059 is about 5481.3373368185. The cubic root of 30045059 is about 310.8787380973.

The spelling of 30045059 in words is "thirty million, forty-five thousand, fifty-nine".

Divisors: 1 11 137 1507 19937 219307 2731369 30045059