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1218014 = 27192241
BaseRepresentation
bin100101001010111011110
32021212210122
410221113132
5302434024
642034542
713232030
oct4512736
92255718
101218014
11762126
124a8a52
13338525
14239c50
15190d5e
hex1295de

1218014 has 24 divisors (see below), whose sum is σ = 2212848. Its totient is φ = 492480.

The previous prime is 1217989. The next prime is 1218017. The reversal of 1218014 is 4108121.

It is a junction number, because it is equal to n+sod(n) for n = 1217983 and 1218001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4934 + ... + 5174.

It is an arithmetic number, because the mean of its divisors is an integer number (92202).

21218014 is an apocalyptic number.

1218014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1218014 is a deficient number, since it is larger than the sum of its proper divisors (994834).

1218014 is a wasteful number, since it uses less digits than its factorization.

1218014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1218014 is about 1103.6367155908. The cubic root of 1218014 is about 106.7949606491.

It can be divided in two parts, 121801 and 4, that multiplied together give a square (487204 = 6982).

The spelling of 1218014 in words is "one million, two hundred eighteen thousand, fourteen".

Divisors: 1 2 7 14 19 38 133 241 266 361 482 722 1687 2527 3374 4579 5054 9158 32053 64106 87001 174002 609007 1218014