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30025330 = 253002533
BaseRepresentation
bin111001010001…
…0011001110010
32002111110000021
41302202121302
530141302310
62551314054
7513132256
oct162423162
962443007
1030025330
1115a48525
12a07b92a
1362b368a
143db8266
1529815da
hex1ca2672

30025330 has 8 divisors (see below), whose sum is σ = 54045612. Its totient is φ = 12010128.

The previous prime is 30025297. The next prime is 30025367. The reversal of 30025330 is 3352003.

It can be written as a sum of positive squares in 2 ways, for example, as 28718881 + 1306449 = 5359^2 + 1143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501257 + ... + 1501276.

Almost surely, 230025330 is an apocalyptic number.

30025330 is a deficient number, since it is larger than the sum of its proper divisors (24020282).

30025330 is a wasteful number, since it uses less digits than its factorization.

30025330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002540.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 30025330 is about 5479.5373892328. The cubic root of 30025330 is about 310.8106773269.

Adding to 30025330 its reverse (3352003), we get a palindrome (33377333).

The spelling of 30025330 in words is "thirty million, twenty-five thousand, three hundred thirty".

Divisors: 1 2 5 10 3002533 6005066 15012665 30025330