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14018985 = 325311533
BaseRepresentation
bin110101011110…
…100110101001
3222101020102200
4311132212221
512042101420
61220250413
7230105451
oct65364651
928336380
1014018985
117a05742
124840a09
132b9ac76
141c0cd61
15136db90
hexd5e9a9

14018985 has 12 divisors (see below), whose sum is σ = 24299652. Its totient is φ = 7476768.

The previous prime is 14018929. The next prime is 14019011. The reversal of 14018985 is 58981041.

It can be written as a sum of positive squares in 2 ways, for example, as 10949481 + 3069504 = 3309^2 + 1752^2 .

It is not a de Polignac number, because 14018985 - 210 = 14017961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155722 + ... + 155811.

It is an arithmetic number, because the mean of its divisors is an integer number (2024971).

Almost surely, 214018985 is an apocalyptic number.

14018985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14018985 is a deficient number, since it is larger than the sum of its proper divisors (10280667).

14018985 is a wasteful number, since it uses less digits than its factorization.

14018985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311544 (or 311541 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 14018985 is about 3744.1935046148. The cubic root of 14018985 is about 241.1231213780.

The spelling of 14018985 in words is "fourteen million, eighteen thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 45 311533 934599 1557665 2803797 4672995 14018985