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30133522 = 215066761
BaseRepresentation
bin111001011110…
…0110100010010
32002200221102101
41302330310102
530203233042
62553511014
7514062556
oct162746422
962627371
1030133522
1116011841
12a11246a
1363209b3
144005866
1529a36b7
hex1cbcd12

30133522 has 4 divisors (see below), whose sum is σ = 45200286. Its totient is φ = 15066760.

The previous prime is 30133517. The next prime is 30133549. The reversal of 30133522 is 22533103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22533103 = 59381917.

It can be written as a sum of positive squares in only one way, i.e., 18498601 + 11634921 = 4301^2 + 3411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30133522.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7533379 + ... + 7533382.

Almost surely, 230133522 is an apocalyptic number.

30133522 is a deficient number, since it is larger than the sum of its proper divisors (15066764).

30133522 is a wasteful number, since it uses less digits than its factorization.

30133522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066763.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30133522 is about 5489.4008780558. The cubic root of 30133522 is about 311.1835504882.

Adding to 30133522 its reverse (22533103), we get a palindrome (52666625).

The spelling of 30133522 in words is "thirty million, one hundred thirty-three thousand, five hundred twenty-two".

Divisors: 1 2 15066761 30133522