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18614941 is a prime number
BaseRepresentation
bin100011100000…
…0101010011101
31022000201220021
41013000222131
514231134231
61502552141
7314136652
oct107005235
938021807
1018614941
11a564754
126298651
133b19b77
142687c29
15197a811
hex11c0a9d

18614941 has 2 divisors, whose sum is σ = 18614942. Its totient is φ = 18614940.

The previous prime is 18614923. The next prime is 18614951. The reversal of 18614941 is 14941681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17556100 + 1058841 = 4190^2 + 1029^2 .

It is a cyclic number.

It is not a de Polignac number, because 18614941 - 25 = 18614909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18614897 and 18614906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18614951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9307470 + 9307471.

It is an arithmetic number, because the mean of its divisors is an integer number (9307471).

Almost surely, 218614941 is an apocalyptic number.

It is an amenable number.

18614941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18614941 is an equidigital number, since it uses as much as digits as its factorization.

18614941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 18614941 is about 4314.5035635633. The cubic root of 18614941 is about 265.0252307768.

The spelling of 18614941 in words is "eighteen million, six hundred fourteen thousand, nine hundred forty-one".