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14211020 = 2253122921
BaseRepresentation
bin110110001101…
…011111001100
3222201222212002
4312031133030
512114223040
61224331432
7231535355
oct66153714
928658762
1014211020
118026a4a
124913b78
132c374b5
141c5cd2c
1513aaa15
hexd8d7cc

14211020 has 24 divisors (see below), whose sum is σ = 30807168. Its totient is φ = 5500800.

The previous prime is 14211019. The next prime is 14211023. The reversal of 14211020 is 2011241.

It is a junction number, because it is equal to n+sod(n) for n = 14210992 and 14211010.

It is not an unprimeable number, because it can be changed into a prime (14211023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10841 + ... + 12080.

It is an arithmetic number, because the mean of its divisors is an integer number (1283632).

Almost surely, 214211020 is an apocalyptic number.

14211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14211020 is an abundant number, since it is smaller than the sum of its proper divisors (16596148).

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

14211020 is a wasteful number, since it uses less digits than its factorization.

14211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22961 (or 22959 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 14211020 is about 3769.7506548842. The cubic root of 14211020 is about 242.2191171626.

Adding to 14211020 its reverse (2011241), we get a palindrome (16222261).

The spelling of 14211020 in words is "fourteen million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 22921 45842 91684 114605 229210 458420 710551 1421102 2842204 3552755 7105510 14211020