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18715014 = 2329531091
BaseRepresentation
bin100011101100…
…1000110000110
31022012211011200
41013121012012
514242340024
61505043330
7315034503
oct107310606
938184150
1018715014
11a62295a
126326546
133b53596
1426b24aa
15199a2c9
hex11d9186

18715014 has 24 divisors (see below), whose sum is σ = 40628952. Its totient is φ = 6226080.

The previous prime is 18715013. The next prime is 18715051. The reversal of 18715014 is 41051781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18715013) 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 11 ways as a sum of consecutive naturals, for example, 16609 + ... + 17699.

It is an arithmetic number, because the mean of its divisors is an integer number (1692873).

Almost surely, 218715014 is an apocalyptic number.

18715014 is an abundant number, since it is smaller than the sum of its proper divisors (21913938).

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

18715014 is a wasteful number, since it uses less digits than its factorization.

18715014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 18715014 is about 4326.0852973560. The cubic root of 18715014 is about 265.4993030933.

Adding to 18715014 its reverse (41051781), we get a palindrome (59766795).

The spelling of 18715014 in words is "eighteen million, seven hundred fifteen thousand, fourteen".

Divisors: 1 2 3 6 9 18 953 1091 1906 2182 2859 3273 5718 6546 8577 9819 17154 19638 1039723 2079446 3119169 6238338 9357507 18715014