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30034061 = 103129131
BaseRepresentation
bin111001010010…
…0100010001101
32002111212222122
41302210202031
530142042221
62551422325
7513166601
oct162444215
962455878
1030034061
1115a54042
12a0849a5
1362b7645
143dbb501
152983eab
hex1ca488d

30034061 has 4 divisors (see below), whose sum is σ = 30064224. Its totient is φ = 30003900.

The previous prime is 30034057. The next prime is 30034063. The reversal of 30034061 is 16043003.

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: 16043003 = 29553207.

It is a cyclic number.

It is not a de Polignac number, because 30034061 - 22 = 30034057 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 (30034063) by changing a digit.

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, 13535 + ... + 15596.

It is an arithmetic number, because the mean of its divisors is an integer number (7516056).

Almost surely, 230034061 is an apocalyptic number.

It is an amenable number.

30034061 is a deficient number, since it is larger than the sum of its proper divisors (30163).

30034061 is a wasteful number, since it uses less digits than its factorization.

30034061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30162.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30034061 is about 5480.3340226669. The cubic root of 30034061 is about 310.8408010594.

Adding to 30034061 its reverse (16043003), we get a palindrome (46077064).

The spelling of 30034061 in words is "thirty million, thirty-four thousand, sixty-one".

Divisors: 1 1031 29131 30034061