Search a number
-
+
30173146 = 230674919
BaseRepresentation
bin111001100011…
…0011111011010
32002202221202221
41303012133122
530211020041
62554414254
7514316233
oct163063732
962687687
1030173146
1116039593
12a13138a
136335a43
14401608a
1529b02d1
hex1cc67da

30173146 has 8 divisors (see below), whose sum is σ = 45283680. Its totient is φ = 15078588.

The previous prime is 30173141. The next prime is 30173183. The reversal of 30173146 is 64137103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30173146.

It is not an unprimeable number, because it can be changed into a prime (30173141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3675 + ... + 8593.

It is an arithmetic number, because the mean of its divisors is an integer number (5660460).

Almost surely, 230173146 is an apocalyptic number.

30173146 is a deficient number, since it is larger than the sum of its proper divisors (15110534).

30173146 is a wasteful number, since it uses less digits than its factorization.

30173146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 30173146 is about 5493.0088294122. The cubic root of 30173146 is about 311.3198874263.

The spelling of 30173146 in words is "thirty million, one hundred seventy-three thousand, one hundred forty-six".

Divisors: 1 2 3067 4919 6134 9838 15086573 30173146