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30325005 = 3253132153
BaseRepresentation
bin111001110101…
…1100100001101
32010001200002100
41303223210031
530230400010
63001545313
7515521044
oct163534415
963050070
1030325005
1116132697
12a1a5239
136389bb9
14405555b
1529e02c0
hex1ceb90d

30325005 has 24 divisors (see below), whose sum is σ = 52755768. Its totient is φ = 16114176.

The previous prime is 30324989. The next prime is 30325027. The reversal of 30325005 is 50052303.

It can be written as a sum of positive squares in 4 ways, for example, as 2414916 + 27910089 = 1554^2 + 5283^2 .

It is not a de Polignac number, because 30325005 - 24 = 30324989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13009 + ... + 15161.

It is an arithmetic number, because the mean of its divisors is an integer number (2198157).

Almost surely, 230325005 is an apocalyptic number.

It is an amenable number.

30325005 is a deficient number, since it is larger than the sum of its proper divisors (22430763).

30325005 is a wasteful number, since it uses less digits than its factorization.

30325005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 30325005 is about 5506.8144148863. The cubic root of 30325005 is about 311.8412962589.

Adding to 30325005 its reverse (50052303), we get a palindrome (80377308).

The spelling of 30325005 in words is "thirty million, three hundred twenty-five thousand, five".

Divisors: 1 3 5 9 15 45 313 939 1565 2153 2817 4695 6459 10765 14085 19377 32295 96885 673889 2021667 3369445 6065001 10108335 30325005