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18013614 = 233002269
BaseRepresentation
bin100010010110…
…1110110101110
31020220012000220
41010231312232
514102413424
61442032210
7306053553
oct104556656
936805026
1018013614
11a193993
126048666
133969258
14256ca2a
1518ac579
hex112ddae

18013614 has 8 divisors (see below), whose sum is σ = 36027240. Its totient is φ = 6004536.

The previous prime is 18013613. The next prime is 18013621. The reversal of 18013614 is 41631081.

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

18013614 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18013613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501129 + ... + 1501140.

It is an arithmetic number, because the mean of its divisors is an integer number (4503405).

Almost surely, 218013614 is an apocalyptic number.

18013614 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18013614 is a wasteful number, since it uses less digits than its factorization.

18013614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002274.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 18013614 is about 4244.2448091504. The cubic root of 18013614 is about 262.1401945729.

Adding to 18013614 its reverse (41631081), we get a palindrome (59644695).

The spelling of 18013614 in words is "eighteen million, thirteen thousand, six hundred fourteen".

Divisors: 1 2 3 6 3002269 6004538 9006807 18013614