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20214966 = 233369161
BaseRepresentation
bin100110100011…
…1010010110110
31102001000201110
41031013102312
520133334331
62001135450
7333552522
oct115072266
942030643
1020214966
1110457892
12692a586
13425a225
142982d82
151b94946
hex13474b6

20214966 has 8 divisors (see below), whose sum is σ = 40429944. Its totient is φ = 6738320.

The previous prime is 20214959. The next prime is 20214977. The reversal of 20214966 is 66941202.

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

20214966 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 1684575 + ... + 1684586.

It is an arithmetic number, because the mean of its divisors is an integer number (5053743).

Almost surely, 220214966 is an apocalyptic number.

20214966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20214966 is a wasteful number, since it uses less digits than its factorization.

20214966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369166.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 20214966 is about 4496.1056482249. The cubic root of 20214966 is about 272.4108105275.

The spelling of 20214966 in words is "twenty million, two hundred fourteen thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 3369161 6738322 10107483 20214966