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20214711 = 3311292347
BaseRepresentation
bin100110100011…
…1001110110111
31102001000101000
41031013032313
520133332321
62001134343
7333552006
oct115071667
942030330
1020214711
1110457680
12692a3b3
13425a08a
142982c3d
151b94826
hex13473b7

20214711 has 32 divisors (see below), whose sum is σ = 33811200. Its totient is φ = 11823840.

The previous prime is 20214709. The next prime is 20214713. The reversal of 20214711 is 11741202.

It is an interprime number because it is at equal distance from previous prime (20214709) and next prime (20214713).

It is not a de Polignac number, because 20214711 - 21 = 20214709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7440 + ... + 9786.

It is an arithmetic number, because the mean of its divisors is an integer number (1056600).

Almost surely, 220214711 is an apocalyptic number.

20214711 is a deficient number, since it is larger than the sum of its proper divisors (13596489).

20214711 is a wasteful number, since it uses less digits than its factorization.

20214711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 20214711 is about 4496.0772902609. The cubic root of 20214711 is about 272.4096650882.

Adding to 20214711 its reverse (11741202), we get a palindrome (31955913).

The spelling of 20214711 in words is "twenty million, two hundred fourteen thousand, seven hundred eleven".

Divisors: 1 3 9 11 27 29 33 87 99 261 297 319 783 957 2347 2871 7041 8613 21123 25817 63369 68063 77451 204189 232353 612567 697059 748693 1837701 2246079 6738237 20214711