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30133413 = 323348157
BaseRepresentation
bin111001011110…
…0110010100101
32002200221021100
41302330302211
530203232123
62553510313
7514062342
oct162746245
962627240
1030133413
1116011752
12a112399
13632092b
1440057c9
1529a3643
hex1cbcca5

30133413 has 6 divisors (see below), whose sum is σ = 43526054. Its totient is φ = 20088936.

The previous prime is 30133403. The next prime is 30133421. The reversal of 30133413 is 31433103.

It can be written as a sum of positive squares in only one way, i.e., 30107169 + 26244 = 5487^2 + 162^2 .

It is not a de Polignac number, because 30133413 - 212 = 30129317 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 (30133403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1674070 + ... + 1674087.

Almost surely, 230133413 is an apocalyptic number.

It is an amenable number.

30133413 is a deficient number, since it is larger than the sum of its proper divisors (13392641).

30133413 is a wasteful number, since it uses less digits than its factorization.

30133413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348163 (or 3348160 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 30133413 is about 5489.3909498231. The cubic root of 30133413 is about 311.1831752799.

Adding to 30133413 its reverse (31433103), we get a palindrome (61566516).

The spelling of 30133413 in words is "thirty million, one hundred thirty-three thousand, four hundred thirteen".

Divisors: 1 3 9 3348157 10044471 30133413