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13870016 = 26216719
BaseRepresentation
bin110100111010…
…001111000000
3222002200002022
4310322033000
512022320031
61213141012
7225615236
oct64721700
928080068
1013870016
117913826
12478a768
132b48214
141bb0956
15133e97b
hexd3a3c0

13870016 has 14 divisors (see below), whose sum is σ = 27523440. Its totient is φ = 6934976.

The previous prime is 13869991. The next prime is 13870039. The reversal of 13870016 is 61007831.

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 as a sum of consecutive naturals, namely, 108296 + ... + 108423.

It is an arithmetic number, because the mean of its divisors is an integer number (1965960).

Almost surely, 213870016 is an apocalyptic number.

13870016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13870016 is a deficient number, since it is larger than the sum of its proper divisors (13653424).

13870016 is an equidigital number, since it uses as much as digits as its factorization.

13870016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216731 (or 216721 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 13870016 is about 3724.2470379930. The cubic root of 13870016 is about 240.2660013677.

Adding to 13870016 its reverse (61007831), we get a palindrome (74877847).

The spelling of 13870016 in words is "thirteen million, eight hundred seventy thousand, sixteen".

Divisors: 1 2 4 8 16 32 64 216719 433438 866876 1733752 3467504 6935008 13870016