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30342011 = 721120543
BaseRepresentation
bin111001110111…
…1101101111011
32010002112102012
41303233231323
530231421021
63002200135
7515621450
oct163575573
963075365
1030342011
1116144447
12a1b304b
13639486b
14405b827
1529e535b
hex1cefb7b

30342011 has 8 divisors (see below), whose sum is σ = 34842624. Its totient is φ = 25882920.

The previous prime is 30342001. The next prime is 30342017. The reversal of 30342011 is 11024303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30342011 - 26 = 30341947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30342017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8795 + ... + 11748.

It is an arithmetic number, because the mean of its divisors is an integer number (4355328).

Almost surely, 230342011 is an apocalyptic number.

30342011 is a deficient number, since it is larger than the sum of its proper divisors (4500613).

30342011 is a wasteful number, since it uses less digits than its factorization.

30342011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20761.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30342011 is about 5508.3582853696. The cubic root of 30342011 is about 311.8995779978.

Adding to 30342011 its reverse (11024303), we get a palindrome (41366314).

The spelling of 30342011 in words is "thirty million, three hundred forty-two thousand, eleven".

Divisors: 1 7 211 1477 20543 143801 4334573 30342011