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20995414 = 2113133049
BaseRepresentation
bin101000000010…
…1110101010110
31110111200021221
41100011311112
520333323124
62030000554
7343313056
oct120056526
943450257
1020995414
1110940190
12704615a
13447152b
142b07566
151c9ace4
hex1405d56

20995414 has 16 divisors (see below), whose sum is σ = 34477200. Its totient is φ = 9509760.

The previous prime is 20995411. The next prime is 20995421. The reversal of 20995414 is 41459902.

It is a self number, because there is not a number n which added to its sum of digits gives 20995414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20995411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5362 + ... + 8410.

It is an arithmetic number, because the mean of its divisors is an integer number (2154825).

Almost surely, 220995414 is an apocalyptic number.

20995414 is a deficient number, since it is larger than the sum of its proper divisors (13481786).

20995414 is a wasteful number, since it uses less digits than its factorization.

20995414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 20995414 is about 4582.0752940125. The cubic root of 20995414 is about 275.8723329597.

The spelling of 20995414 in words is "twenty million, nine hundred ninety-five thousand, four hundred fourteen".

Divisors: 1 2 11 22 313 626 3049 3443 6098 6886 33539 67078 954337 1908674 10497707 20995414