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30330529 = 411933833
BaseRepresentation
bin111001110110…
…0111010100001
32010001221122221
41303230322201
530231034104
63002031041
7515543125
oct163547241
963057587
1030330529
1116136859
12a1a8481
13638c578
144057585
1529e1c54
hex1cecea1

30330529 has 8 divisors (see below), whose sum is σ = 31239432. Its totient is φ = 29429760.

The previous prime is 30330527. The next prime is 30330571. The reversal of 30330529 is 92503303.

It can be written as a sum of positive squares in 4 ways, for example, as 921600 + 29408929 = 960^2 + 5423^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30330529 - 21 = 30330527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30330527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5997 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (3904929).

Almost surely, 230330529 is an apocalyptic number.

It is an amenable number.

30330529 is a deficient number, since it is larger than the sum of its proper divisors (908903).

30330529 is a wasteful number, since it uses less digits than its factorization.

30330529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 30330529 is about 5507.3159524400. The cubic root of 30330529 is about 311.8602301028.

The spelling of 30330529 in words is "thirty million, three hundred thirty thousand, five hundred twenty-nine".

Divisors: 1 41 193 3833 7913 157153 739769 30330529