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30190322 = 215095161
BaseRepresentation
bin111001100101…
…0101011110010
32002210211100002
41303022223302
530212042242
62555030002
7514420301
oct163125362
962724302
1030190322
1116050488
12a13b302
1363407c6
14401c438
1529b5432
hex1ccaaf2

30190322 has 4 divisors (see below), whose sum is σ = 45285486. Its totient is φ = 15095160.

The previous prime is 30190301. The next prime is 30190327. The reversal of 30190322 is 22309103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15437041 + 14753281 = 3929^2 + 3841^2 .

It is a super-2 number, since 2×301903222 = 1822911084927368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30190294 and 30190303.

It is not an unprimeable number, because it can be changed into a prime (30190327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7547579 + ... + 7547582.

Almost surely, 230190322 is an apocalyptic number.

30190322 is a deficient number, since it is larger than the sum of its proper divisors (15095164).

30190322 is a wasteful number, since it uses less digits than its factorization.

30190322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15095163.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30190322 is about 5494.5720488497. The cubic root of 30190322 is about 311.3789489516.

Adding to 30190322 its reverse (22309103), we get a palindrome (52499425).

The spelling of 30190322 in words is "thirty million, one hundred ninety thousand, three hundred twenty-two".

Divisors: 1 2 15095161 30190322