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18487114 = 219486503
BaseRepresentation
bin100011010000…
…1011101001010
31021210020112221
41012201131022
514213041424
61500124254
7313065202
oct106413512
937706487
1018487114
11a487708
12623668a
133aa3929
142653402
1519529e4
hex11a174a

18487114 has 8 divisors (see below), whose sum is σ = 29190240. Its totient is φ = 8757036.

The previous prime is 18487111. The next prime is 18487151. The reversal of 18487114 is 41178481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18487114.

It is not an unprimeable number, because it can be changed into a prime (18487111) 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 in 3 ways as a sum of consecutive naturals, for example, 243214 + ... + 243289.

It is an arithmetic number, because the mean of its divisors is an integer number (3648780).

Almost surely, 218487114 is an apocalyptic number.

18487114 is a deficient number, since it is larger than the sum of its proper divisors (10703126).

18487114 is a wasteful number, since it uses less digits than its factorization.

18487114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486524.

The product of its digits is 7168, while the sum is 34.

The square root of 18487114 is about 4299.6644055089. The cubic root of 18487114 is about 264.4172026773.

The spelling of 18487114 in words is "eighteen million, four hundred eighty-seven thousand, one hundred fourteen".

Divisors: 1 2 19 38 486503 973006 9243557 18487114