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18711114 = 233118519
BaseRepresentation
bin100011101100…
…0001001001010
31022012121211020
41013120021022
514242223424
61505013310
7315020232
oct107301112
938177736
1018711114
11a61aa34
126324236
133b51886
1426b0cc2
151999079
hex11d824a

18711114 has 8 divisors (see below), whose sum is σ = 37422240. Its totient is φ = 6237036.

The previous prime is 18711109. The next prime is 18711131. The reversal of 18711114 is 41111781.

18711114 is nontrivially palindromic in base 12.

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

18711114 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559254 + ... + 1559265.

It is an arithmetic number, because the mean of its divisors is an integer number (4677780).

Almost surely, 218711114 is an apocalyptic number.

18711114 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.

18711114 is a wasteful number, since it uses less digits than its factorization.

18711114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118524.

The product of its digits is 224, while the sum is 24.

The square root of 18711114 is about 4325.6345199288. The cubic root of 18711114 is about 265.4808594484.

Adding to 18711114 its reverse (41111781), we get a palindrome (59822895).

The spelling of 18711114 in words is "eighteen million, seven hundred eleven thousand, one hundred fourteen".

Divisors: 1 2 3 6 3118519 6237038 9355557 18711114