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30317941 is a prime number
BaseRepresentation
bin111001110100…
…1110101110101
32010001022101201
41303221311311
530230133231
63001452501
7515461333
oct163516565
963038351
1030317941
1116128355
12a1a1131
136386914
144052b53
1529dd161
hex1ce9d75

30317941 has 2 divisors, whose sum is σ = 30317942. Its totient is φ = 30317940.

The previous prime is 30317929. The next prime is 30317993. The reversal of 30317941 is 14971303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20738916 + 9579025 = 4554^2 + 3095^2 .

It is an emirp because it is prime and its reverse (14971303) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30317941 is a prime.

It is equal to p1876411 and since 30317941 and 1876411 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30317921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15158970 + 15158971.

It is an arithmetic number, because the mean of its divisors is an integer number (15158971).

Almost surely, 230317941 is an apocalyptic number.

It is an amenable number.

30317941 is a deficient number, since it is larger than the sum of its proper divisors (1).

30317941 is an equidigital number, since it uses as much as digits as its factorization.

30317941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 30317941 is about 5506.1729903809. The cubic root of 30317941 is about 311.8170806214.

The spelling of 30317941 in words is "thirty million, three hundred seventeen thousand, nine hundred forty-one".