Search a number
-
+
30019296 = 253312701
BaseRepresentation
bin111001010000…
…0111011100000
32002111010201210
41302200323200
530141104141
62551230120
7513105546
oct162407340
962433653
1030019296
1115a43a3a
12a078340
1362b09c8
143db5d96
15297e916
hex1ca0ee0

30019296 has 24 divisors (see below), whose sum is σ = 78800904. Its totient is φ = 10006400.

The previous prime is 30019271. The next prime is 30019307. The reversal of 30019296 is 69291003.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent 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, 156255 + ... + 156446.

It is an arithmetic number, because the mean of its divisors is an integer number (3283371).

Almost surely, 230019296 is an apocalyptic number.

It is an amenable number.

30019296 is an abundant number, since it is smaller than the sum of its proper divisors (48781608).

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

30019296 is a wasteful number, since it uses less digits than its factorization.

30019296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312714 (or 312706 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 30019296 is about 5478.9867676424. The cubic root of 30019296 is about 310.7898553823.

The spelling of 30019296 in words is "thirty million, nineteen thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 312701 625402 938103 1250804 1876206 2501608 3752412 5003216 7504824 10006432 15009648 30019296