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30422837 is a prime number
BaseRepresentation
bin111010000001…
…1011100110101
32010020122021202
41310003130311
530242012322
63004022245
7516406214
oct164033465
963218252
1030422837
111619a145
12a231985
1363c25a3
14407d07b
152a0e292
hex1d03735

30422837 has 2 divisors, whose sum is σ = 30422838. Its totient is φ = 30422836.

The previous prime is 30422797. The next prime is 30422863. The reversal of 30422837 is 73822403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26635921 + 3786916 = 5161^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 30422837 - 212 = 30418741 is a prime.

It is a super-2 number, since 2×304228372 = 1851098022257138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30422897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15211418 + 15211419.

It is an arithmetic number, because the mean of its divisors is an integer number (15211419).

Almost surely, 230422837 is an apocalyptic number.

It is an amenable number.

30422837 is a deficient number, since it is larger than the sum of its proper divisors (1).

30422837 is an equidigital number, since it uses as much as digits as its factorization.

30422837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 30422837 is about 5515.6900746869. The cubic root of 30422837 is about 312.1762817365.

The spelling of 30422837 in words is "thirty million, four hundred twenty-two thousand, eight hundred thirty-seven".