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30133313 = 7149167173
BaseRepresentation
bin111001011110…
…0110001000001
32002200221010122
41302330301001
530203231223
62553510025
7514062140
oct162746101
962627118
1030133313
1116011671
12a112315
136320882
144005757
1529a35c8
hex1cbcc41

30133313 has 16 divisors (see below), whose sum is σ = 35078400. Its totient is φ = 25354176.

The previous prime is 30133307. The next prime is 30133357. The reversal of 30133313 is 31333103.

It is a cyclic number.

It is not a de Polignac number, because 30133313 - 28 = 30133057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30133291 and 30133300.

It is not an unprimeable number, because it can be changed into a prime (30136313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174095 + ... + 174267.

It is an arithmetic number, because the mean of its divisors is an integer number (2192400).

Almost surely, 230133313 is an apocalyptic number.

It is an amenable number.

30133313 is a deficient number, since it is larger than the sum of its proper divisors (4945087).

30133313 is a wasteful number, since it uses less digits than its factorization.

30133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 30133313 is about 5489.3818413370. The cubic root of 30133313 is about 311.1828310512.

Adding to 30133313 its reverse (31333103), we get a palindrome (61466416).

The spelling of 30133313 in words is "thirty million, one hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 7 149 167 173 1043 1169 1211 24883 25777 28891 174181 180439 202237 4304759 30133313