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30672017 is a prime number
BaseRepresentation
bin111010100000…
…0010010010001
32010201022002122
41311000102101
530323001032
63013224025
7521464535
oct165002221
963638078
1030672017
111634a382
12a332015
13647bb2c
144105bc5
152a5d012
hex1d40491

30672017 has 2 divisors, whose sum is σ = 30672018. Its totient is φ = 30672016.

The previous prime is 30672007. The next prime is 30672043. The reversal of 30672017 is 71027603.

It is an a-pointer prime, because the next prime (30672043) can be obtained adding 30672017 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28686736 + 1985281 = 5356^2 + 1409^2 .

It is a cyclic number.

It is not a de Polignac number, because 30672017 - 28 = 30671761 is a prime.

It is not a weakly prime, because it can be changed into another prime (30672007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15336008 + 15336009.

It is an arithmetic number, because the mean of its divisors is an integer number (15336009).

Almost surely, 230672017 is an apocalyptic number.

It is an amenable number.

30672017 is a deficient number, since it is larger than the sum of its proper divisors (1).

30672017 is an equidigital number, since it uses as much as digits as its factorization.

30672017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 30672017 is about 5538.2322992088. The cubic root of 30672017 is about 313.0262646083.

The spelling of 30672017 in words is "thirty million, six hundred seventy-two thousand, seventeen".