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30524033 = 109280037
BaseRepresentation
bin111010001110…
…0001010000001
32010102210002202
41310130022001
530303232113
63010122545
7520310231
oct164341201
963383082
1030524033
1116259181
12a280455
136429677
1440a7cc1
152a2e258
hex1d1c281

30524033 has 4 divisors (see below), whose sum is σ = 30804180. Its totient is φ = 30243888.

The previous prime is 30523981. The next prime is 30524041. The reversal of 30524033 is 33042503.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27541504 + 2982529 = 5248^2 + 1727^2 .

It is a cyclic number.

It is not a de Polignac number, because 30524033 - 28 = 30523777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30523996 and 30524014.

It is not an unprimeable number, because it can be changed into a prime (30524233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139910 + ... + 140127.

It is an arithmetic number, because the mean of its divisors is an integer number (7701045).

Almost surely, 230524033 is an apocalyptic number.

It is an amenable number.

30524033 is a deficient number, since it is larger than the sum of its proper divisors (280147).

30524033 is a wasteful number, since it uses less digits than its factorization.

30524033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280146.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 30524033 is about 5524.8559257233. The cubic root of 30524033 is about 312.5220310868.

Adding to 30524033 its reverse (33042503), we get a palindrome (63566536).

The spelling of 30524033 in words is "thirty million, five hundred twenty-four thousand, thirty-three".

Divisors: 1 109 280037 30524033