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18053002 = 2111943189
BaseRepresentation
bin100010011011…
…1011110001010
31020222012001201
41010313132022
514110144002
61442534414
7306306442
oct104673612
936865051
1018053002
11a210540
12606740a
133981166
14257d122
1518b9087
hex113778a

18053002 has 16 divisors (see below), whose sum is σ = 31096800. Its totient is φ = 7773840.

The previous prime is 18052987. The next prime is 18053017. The reversal of 18053002 is 20035081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18052987) and next prime (18053017).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a plaindrome in base 16.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 21177 + ... + 22012.

It is an arithmetic number, because the mean of its divisors is an integer number (1943550).

Almost surely, 218053002 is an apocalyptic number.

18053002 is a deficient number, since it is larger than the sum of its proper divisors (13043798).

18053002 is a wasteful number, since it uses less digits than its factorization.

18053002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43221.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 18053002 is about 4248.8824413015. The cubic root of 18053002 is about 262.3311179775.

Adding to 18053002 its reverse (20035081), we get a palindrome (38088083).

The spelling of 18053002 in words is "eighteen million, fifty-three thousand, two".

Divisors: 1 2 11 19 22 38 209 418 43189 86378 475079 820591 950158 1641182 9026501 18053002