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30242111 = 89339799
BaseRepresentation
bin111001101011…
…1010100111111
32002220110101012
41303113110333
530220221421
63000105435
7515024264
oct163272477
962813335
1030242111
1116086389
12a16527b
13635b253
14403326b
1529c595b
hex1cd753f

30242111 has 4 divisors (see below), whose sum is σ = 30582000. Its totient is φ = 29902224.

The previous prime is 30242089. The next prime is 30242119. The reversal of 30242111 is 11124203.

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

It is a cyclic number.

It is not a de Polignac number, because 30242111 - 210 = 30241087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 169811 + ... + 169988.

It is an arithmetic number, because the mean of its divisors is an integer number (7645500).

Almost surely, 230242111 is an apocalyptic number.

30242111 is a deficient number, since it is larger than the sum of its proper divisors (339889).

30242111 is an equidigital number, since it uses as much as digits as its factorization.

30242111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339888.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 30242111 is about 5499.2827714167. The cubic root of 30242111 is about 311.5568955158.

Adding to 30242111 its reverse (11124203), we get a palindrome (41366314).

The spelling of 30242111 in words is "thirty million, two hundred forty-two thousand, one hundred eleven".

Divisors: 1 89 339799 30242111