Search a number
-
+
30240246 = 2317296473
BaseRepresentation
bin111001101011…
…0110111110110
32002220100211010
41303112313312
530220141441
63000053050
7515015661
oct163266766
962810733
1030240246
1116084a43
12a164186
13635a44a
1440326d8
1529c5116
hex1cd6df6

30240246 has 16 divisors (see below), whose sum is σ = 64038384. Its totient is φ = 9487104.

The previous prime is 30240209. The next prime is 30240251. The reversal of 30240246 is 64204203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148135 + ... + 148338.

It is an arithmetic number, because the mean of its divisors is an integer number (4002399).

Almost surely, 230240246 is an apocalyptic number.

30240246 is an abundant number, since it is smaller than the sum of its proper divisors (33798138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30240246 is a wasteful number, since it uses less digits than its factorization.

30240246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296495.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 30240246 is about 5499.1132012353. The cubic root of 30240246 is about 311.5504909193.

Adding to 30240246 its reverse (64204203), we get a palindrome (94444449).

The spelling of 30240246 in words is "thirty million, two hundred forty thousand, two hundred forty-six".

Divisors: 1 2 3 6 17 34 51 102 296473 592946 889419 1778838 5040041 10080082 15120123 30240246