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18294037 is a prime number
BaseRepresentation
bin100010111001…
…0010100010101
31021102102200221
41011302110111
514140402122
61452034341
7311332246
oct105622425
937372627
1018294037
11a365643
1261629b1
133a36a98
142602ccd
1519156c7
hex1172515

18294037 has 2 divisors, whose sum is σ = 18294038. Its totient is φ = 18294036.

The previous prime is 18294013. The next prime is 18294047. The reversal of 18294037 is 73049281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9947716 + 8346321 = 3154^2 + 2889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18294037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18293993 and 18294011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18294047) 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, 9147018 + 9147019.

It is an arithmetic number, because the mean of its divisors is an integer number (9147019).

Almost surely, 218294037 is an apocalyptic number.

It is an amenable number.

18294037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18294037 is an equidigital number, since it uses as much as digits as its factorization.

18294037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 18294037 is about 4277.1529081855. The cubic root of 18294037 is about 263.4934664907.

The spelling of 18294037 in words is "eighteen million, two hundred ninety-four thousand, thirty-seven".