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20214089 = 74761441
BaseRepresentation
bin100110100011…
…1000101001001
31102000222111222
41031013011021
520133322324
62001131425
7333550130
oct115070511
942028458
1020214089
1110457165
126929b75
1342599cc
142982917
151b9455e
hex1347149

20214089 has 8 divisors (see below), whose sum is σ = 23593728. Its totient is φ = 16957440.

The previous prime is 20214053. The next prime is 20214091. The reversal of 20214089 is 98041202.

20214089 is nontrivially palindromic in base 8.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20214089 - 212 = 20209993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214289) 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, 30392 + ... + 31049.

It is an arithmetic number, because the mean of its divisors is an integer number (2949216).

Almost surely, 220214089 is an apocalyptic number.

It is an amenable number.

20214089 is a deficient number, since it is larger than the sum of its proper divisors (3379639).

20214089 is an equidigital number, since it uses as much as digits as its factorization.

20214089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61495.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 20214089 is about 4496.0081183201. The cubic root of 20214089 is about 272.4068710743.

The spelling of 20214089 in words is "twenty million, two hundred fourteen thousand, eighty-nine".

Divisors: 1 7 47 329 61441 430087 2887727 20214089