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30545325 = 3252135757
BaseRepresentation
bin111010010000…
…1010110101101
32010110212022100
41310201112231
530304422300
63010405313
7520426266
oct164412655
963425270
1030545325
1116273178
12a290839
136436275
1440b196d
152a35700
hex1d215ad

30545325 has 18 divisors (see below), whose sum is σ = 54710474. Its totient is φ = 16290720.

The previous prime is 30545321. The next prime is 30545327. The reversal of 30545325 is 52354503.

It can be written as a sum of positive squares in 3 ways, for example, as 8649 + 30536676 = 93^2 + 5526^2 .

It is not a de Polignac number, because 30545325 - 22 = 30545321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30545321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67654 + ... + 68103.

Almost surely, 230545325 is an apocalyptic number.

It is an amenable number.

30545325 is a deficient number, since it is larger than the sum of its proper divisors (24165149).

30545325 is a wasteful number, since it uses less digits than its factorization.

30545325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135773 (or 135765 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 30545325 is about 5526.7825178851. The cubic root of 30545325 is about 312.5946806443.

Adding to 30545325 its reverse (52354503), we get a palindrome (82899828).

The spelling of 30545325 in words is "thirty million, five hundred forty-five thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 135757 407271 678785 1221813 2036355 3393925 6109065 10181775 30545325