Search a number
-
+
30327742 = 215163871
BaseRepresentation
bin111001110110…
…0001110111110
32010001210211201
41303230032332
530230441432
63002010114
7515532034
oct163541676
963053751
1030327742
1116134755
12a1a693a
13638b213
144056554
1529e0ee7
hex1cec3be

30327742 has 4 divisors (see below), whose sum is σ = 45491616. Its totient is φ = 15163870.

The previous prime is 30327709. The next prime is 30327749. The reversal of 30327742 is 24772303.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30327742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30327749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7581934 + ... + 7581937.

It is an arithmetic number, because the mean of its divisors is an integer number (11372904).

Almost surely, 230327742 is an apocalyptic number.

30327742 is a deficient number, since it is larger than the sum of its proper divisors (15163874).

30327742 is a wasteful number, since it uses less digits than its factorization.

30327742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15163873.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 30327742 is about 5507.0629195607. The cubic root of 30327742 is about 311.8506777792.

The spelling of 30327742 in words is "thirty million, three hundred twenty-seven thousand, seven hundred forty-two".

Divisors: 1 2 15163871 30327742