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30052746 = 2321669597
BaseRepresentation
bin111001010100…
…1000110001010
32002112211121200
41302221012022
530143141441
62552045030
7513305223
oct162510612
962484550
1030052746
1115a67089
12a093776
1362c2cb9
143dc424a
1529897b6
hex1ca918a

30052746 has 12 divisors (see below), whose sum is σ = 65114322. Its totient is φ = 10017576.

The previous prime is 30052721. The next prime is 30052751. The reversal of 30052746 is 64725003.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16281225 + 13771521 = 4035^2 + 3711^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 834781 + ... + 834816.

Almost surely, 230052746 is an apocalyptic number.

30052746 is an abundant number, since it is smaller than the sum of its proper divisors (35061576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30052746 is a wasteful number, since it uses less digits than its factorization.

30052746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669605 (or 1669602 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 30052746 is about 5482.0384894672. The cubic root of 30052746 is about 310.9052485138.

Adding to 30052746 its reverse (64725003), we get a palindrome (94777749).

The spelling of 30052746 in words is "thirty million, fifty-two thousand, seven hundred forty-six".

Divisors: 1 2 3 6 9 18 1669597 3339194 5008791 10017582 15026373 30052746