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30034141 = 79380179
BaseRepresentation
bin111001010010…
…0100011011101
32002111220002121
41302210203131
530142043031
62551422541
7513200044
oct162444335
962456077
1030034141
1115a54105
12a084a51
1362b76a7
143dbb55b
152984011
hex1ca48dd

30034141 has 4 divisors (see below), whose sum is σ = 30414400. Its totient is φ = 29653884.

The previous prime is 30034091. The next prime is 30034153. The reversal of 30034141 is 14143003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14143003 = 72020429.

It is a cyclic number.

It is not a de Polignac number, because 30034141 - 215 = 30001373 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 (30034441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190011 + ... + 190168.

It is an arithmetic number, because the mean of its divisors is an integer number (7603600).

Almost surely, 230034141 is an apocalyptic number.

It is an amenable number.

30034141 is a deficient number, since it is larger than the sum of its proper divisors (380259).

30034141 is an equidigital number, since it uses as much as digits as its factorization.

30034141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380258.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30034141 is about 5480.3413214872. The cubic root of 30034141 is about 310.8410770487.

Adding to 30034141 its reverse (14143003), we get a palindrome (44177144).

The spelling of 30034141 in words is "thirty million, thirty-four thousand, one hundred forty-one".

Divisors: 1 79 380179 30034141