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30111044 = 2231376563
BaseRepresentation
bin111001011011…
…1010101000100
32002122210120212
41302313111010
530202023134
62553214552
7513640205
oct162672504
962583525
1030111044
1115aa6967
12a101458
1363136b2
143ddb5ac
15299bbce
hex1cb7544

30111044 has 24 divisors (see below), whose sum is σ = 55872768. Its totient is φ = 14173920.

The previous prime is 30111043. The next prime is 30111079. The reversal of 30111044 is 44011103.

It is a happy number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (30111041) 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 7 ways as a sum of consecutive naturals, for example, 1307 + ... + 7869.

It is an arithmetic number, because the mean of its divisors is an integer number (2328032).

Almost surely, 230111044 is an apocalyptic number.

It is an amenable number.

30111044 is a deficient number, since it is larger than the sum of its proper divisors (25761724).

30111044 is a wasteful number, since it uses less digits than its factorization.

30111044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635 (or 6633 counting only the distinct ones).

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

The square root of 30111044 is about 5487.3530959835. The cubic root of 30111044 is about 311.1061557979.

Adding to 30111044 its reverse (44011103), we get a palindrome (74122147).

The spelling of 30111044 in words is "thirty million, one hundred eleven thousand, forty-four".

Divisors: 1 2 4 31 37 62 74 124 148 1147 2294 4588 6563 13126 26252 203453 242831 406906 485662 813812 971324 7527761 15055522 30111044