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1368885 = 35713037
BaseRepresentation
bin101001110001100110101
32120112202110
411032030311
5322301020
645201233
714430630
oct5161465
92515673
101368885
11855511
12560219
1338c0bb
14278c17
151c08e0
hex14e335

1368885 has 16 divisors (see below), whose sum is σ = 2503296. Its totient is φ = 625728.

The previous prime is 1368869. The next prime is 1368907. The reversal of 1368885 is 5888631.

1368885 = T262 + T263 + ... + T296.

It is a happy number.

It is not a de Polignac number, because 1368885 - 24 = 1368869 is a prime.

It is a super-3 number, since 3×13688853 = 7695239633305662375, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6414 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (156456).

21368885 is an apocalyptic number.

1368885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1368885 is a deficient number, since it is larger than the sum of its proper divisors (1134411).

1368885 is a wasteful number, since it uses less digits than its factorization.

1368885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052.

The product of its digits is 46080, while the sum is 39.

The square root of 1368885 is about 1169.9935897260. The cubic root of 1368885 is about 111.0339154540.

The spelling of 1368885 in words is "one million, three hundred sixty-eight thousand, eight hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 13037 39111 65185 91259 195555 273777 456295 1368885