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30433325 = 5213293229
BaseRepresentation
bin111010000011…
…0000000101101
32010021011200012
41310012000231
530242331300
63004143005
7516451616
oct164060055
963234605
1030433325
11161a700a
12a237a65
1363c72b0
144082c0d
152a12435
hex1d0602d

30433325 has 24 divisors (see below), whose sum is σ = 42054600. Its totient is φ = 21692160.

The previous prime is 30433313. The next prime is 30433331. The reversal of 30433325 is 52333403.

It can be written as a sum of positive squares in 12 ways, for example, as 16273156 + 14160169 = 4034^2 + 3763^2 .

It is not a de Polignac number, because 30433325 - 24 = 30433309 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30433325.

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, 7811 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (1752275).

Almost surely, 230433325 is an apocalyptic number.

It is an amenable number.

30433325 is a deficient number, since it is larger than the sum of its proper divisors (11621275).

30433325 is a wasteful number, since it uses less digits than its factorization.

30433325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 30433325 is about 5516.6407350851. The cubic root of 30433325 is about 312.2121509387.

Adding to 30433325 its reverse (52333403), we get a palindrome (82766728).

The spelling of 30433325 in words is "thirty million, four hundred thirty-three thousand, three hundred twenty-five".

Divisors: 1 5 13 25 29 65 145 325 377 725 1885 3229 9425 16145 41977 80725 93641 209885 468205 1049425 1217333 2341025 6086665 30433325