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14000436 = 2232388901
BaseRepresentation
bin110101011010…
…000100110100
3222100021222200
4311122010310
512041003221
61220024500
7230000412
oct65320464
928307880
1014000436
1179a280a
124832130
132b926a8
141c062b2
151368426
hexd5a134

14000436 has 18 divisors (see below), whose sum is σ = 35390082. Its totient is φ = 4666800.

The previous prime is 14000423. The next prime is 14000447. The reversal of 14000436 is 63400041.

It can be written as a sum of positive squares in only one way, i.e., 9960336 + 4040100 = 3156^2 + 2010^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 5 ways as a sum of consecutive naturals, for example, 194415 + ... + 194486.

Almost surely, 214000436 is an apocalyptic number.

It is an amenable number.

14000436 is an abundant number, since it is smaller than the sum of its proper divisors (21389646).

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

14000436 is a wasteful number, since it uses less digits than its factorization.

14000436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388911 (or 388906 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 14000436 is about 3741.7156492711. The cubic root of 14000436 is about 241.0167283488.

Adding to 14000436 its reverse (63400041), we get a palindrome (77400477).

The spelling of 14000436 in words is "fourteen million, four hundred thirty-six", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 36 388901 777802 1166703 1555604 2333406 3500109 4666812 7000218 14000436