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18080614 = 29040307
BaseRepresentation
bin100010011111…
…0001101100110
31021000120221101
41010332031212
514112034424
61443310314
7306453106
oct104761546
937016841
1018080614
11a22a262
12607b39a
1339908b6
142589206
1518c2344
hex113e366

18080614 has 4 divisors (see below), whose sum is σ = 27120924. Its totient is φ = 9040306.

The previous prime is 18080603. The next prime is 18080627. The reversal of 18080614 is 41608081.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4520152 + ... + 4520155.

It is an arithmetic number, because the mean of its divisors is an integer number (6780231).

Almost surely, 218080614 is an apocalyptic number.

18080614 is a deficient number, since it is larger than the sum of its proper divisors (9040310).

18080614 is an equidigital number, since it uses as much as digits as its factorization.

18080614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040309.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18080614 is about 4252.1305248075. The cubic root of 18080614 is about 262.4647946739.

Adding to 18080614 its reverse (41608081), we get a palindrome (59688695).

The spelling of 18080614 in words is "eighteen million, eighty thousand, six hundred fourteen".

Divisors: 1 2 9040307 18080614