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30051017 is a prime number
BaseRepresentation
bin111001010100…
…0101011001001
32002112202020122
41302220223021
530143113032
62552033025
7513300203
oct162505311
962482218
1030051017
1115a65857
12a092775
1362c2289
143dc3773
152989012
hex1ca8ac9

30051017 has 2 divisors, whose sum is σ = 30051018. Its totient is φ = 30051016.

The previous prime is 30050987. The next prime is 30051029. The reversal of 30051017 is 71015003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17547721 + 12503296 = 4189^2 + 3536^2 .

It is an emirp because it is prime and its reverse (71015003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30051017 - 212 = 30046921 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30050986 and 30051004.

It is not a weakly prime, because it can be changed into another prime (30051037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15025508 + 15025509.

It is an arithmetic number, because the mean of its divisors is an integer number (15025509).

Almost surely, 230051017 is an apocalyptic number.

It is an amenable number.

30051017 is a deficient number, since it is larger than the sum of its proper divisors (1).

30051017 is an equidigital number, since it uses as much as digits as its factorization.

30051017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 30051017 is about 5481.8807903857. The cubic root of 30051017 is about 310.8992860472.

The spelling of 30051017 in words is "thirty million, fifty-one thousand, seventeen".