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30964933 is a prime number
BaseRepresentation
bin111011000011…
…1110011000101
32011021011220101
41312013303011
530411334213
63023404101
7524124526
oct166076305
964234811
1030964933
111652a45a
12a453631
13655225c
14418084d
152ab9bdd
hex1d87cc5

30964933 has 2 divisors, whose sum is σ = 30964934. Its totient is φ = 30964932.

The previous prime is 30964931. The next prime is 30964943. The reversal of 30964933 is 33946903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25573249 + 5391684 = 5057^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 30964933 - 21 = 30964931 is a prime.

Together with 30964931, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30964892 and 30964901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30964931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15482466 + 15482467.

It is an arithmetic number, because the mean of its divisors is an integer number (15482467).

Almost surely, 230964933 is an apocalyptic number.

It is an amenable number.

30964933 is a deficient number, since it is larger than the sum of its proper divisors (1).

30964933 is an equidigital number, since it uses as much as digits as its factorization.

30964933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 30964933 is about 5564.6143621998. The cubic root of 30964933 is about 314.0195702301.

The spelling of 30964933 in words is "thirty million, nine hundred sixty-four thousand, nine hundred thirty-three".