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13842386 = 2173831063
BaseRepresentation
bin110100110011…
…011111010010
3222001021011222
4310303133102
512020424021
61212405042
7225441545
oct64633722
928037158
1013842386
1178a4a98
124776782
132b3877c
141ba485c
1513366ab
hexd337d2

13842386 has 16 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 6490944.

The previous prime is 13842371. The next prime is 13842397. The reversal of 13842386 is 68324831.

It is a happy number.

It is a super-2 number, since 2×138423862 = 383223300345992, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12491 + ... + 13553.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 213842386 is an apocalyptic number.

13842386 is a deficient number, since it is larger than the sum of its proper divisors (8220718).

13842386 is a wasteful number, since it uses less digits than its factorization.

13842386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its digits is 27648, while the sum is 35.

The square root of 13842386 is about 3720.5357141143. The cubic root of 13842386 is about 240.1063533267.

It can be divided in two parts, 138 and 42386, that added together give a palindrome (42524).

The spelling of 13842386 in words is "thirteen million, eight hundred forty-two thousand, three hundred eighty-six".

Divisors: 1 2 17 34 383 766 1063 2126 6511 13022 18071 36142 407129 814258 6921193 13842386