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214340886 = 232113105379
BaseRepresentation
bin11001100011010…
…01010100010110
3112221022122102100
430301221110112
5414332402021
633134022530
75211603354
oct1461512426
9487278370
10214340886
11aaa98531
125b947a46
1335538936
14206767d4
1513c3d626
hexcc69516

214340886 has 24 divisors (see below), whose sum is σ = 468519480. Its totient is φ = 70814016.

The previous prime is 214340869. The next prime is 214340897. The reversal of 214340886 is 688043412.

It is a super-2 number, since 2×2143408862 = 91884030822529992, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 214340886.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50656 + ... + 54723.

It is an arithmetic number, because the mean of its divisors is an integer number (19521645).

Almost surely, 2214340886 is an apocalyptic number.

214340886 is an abundant number, since it is smaller than the sum of its proper divisors (254178594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214340886 is a wasteful number, since it uses less digits than its factorization.

214340886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105500 (or 105497 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 214340886 is about 14640.3854457456. The cubic root of 214340886 is about 598.4598331932.

The spelling of 214340886 in words is "two hundred fourteen million, three hundred forty thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 9 18 113 226 339 678 1017 2034 105379 210758 316137 632274 948411 1896822 11907827 23815654 35723481 71446962 107170443 214340886