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18034007 is a prime number
BaseRepresentation
bin100010011001…
…0110101010111
31020221020000012
41010302311113
514104042012
61442310435
7306200165
oct104626527
936836005
1018034007
11a1a8242
12605841b
133975614
142576235
1518b3622
hex1132d57

18034007 has 2 divisors, whose sum is σ = 18034008. Its totient is φ = 18034006.

The previous prime is 18033943. The next prime is 18034057. The reversal of 18034007 is 70043081.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70043081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18034007 - 26 = 18033943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18034057) 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, 9017003 + 9017004.

It is an arithmetic number, because the mean of its divisors is an integer number (9017004).

Almost surely, 218034007 is an apocalyptic number.

18034007 is a deficient number, since it is larger than the sum of its proper divisors (1).

18034007 is an equidigital number, since it uses as much as digits as its factorization.

18034007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 18034007 is about 4246.6465593454. The cubic root of 18034007 is about 262.2390792080.

Adding to 18034007 its reverse (70043081), we get a palindrome (88077088).

The spelling of 18034007 in words is "eighteen million, thirty-four thousand, seven".