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30132242 = 272152303
BaseRepresentation
bin111001011110…
…0100000010010
32002200212122222
41302330200102
530203212432
62553501042
7514056050
oct162744022
962625588
1030132242
1116010888
12a111782
13632023a
1440051d0
1529a3112
hex1cbc812

30132242 has 8 divisors (see below), whose sum is σ = 51655296. Its totient is φ = 12913812.

The previous prime is 30132209. The next prime is 30132251. The reversal of 30132242 is 24223103.

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 30132242.

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, 1076138 + ... + 1076165.

It is an arithmetic number, because the mean of its divisors is an integer number (6456912).

Almost surely, 230132242 is an apocalyptic number.

30132242 is a deficient number, since it is larger than the sum of its proper divisors (21523054).

30132242 is a wasteful number, since it uses less digits than its factorization.

30132242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152312.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30132242 is about 5489.2842885025. The cubic root of 30132242 is about 311.1791443147.

Adding to 30132242 its reverse (24223103), we get a palindrome (54355345).

The spelling of 30132242 in words is "thirty million, one hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 7 14 2152303 4304606 15066121 30132242