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14706021 = 3111932309
BaseRepresentation
bin111000000110…
…010101100101
31000200010212110
4320012111211
512231043041
61243111233
7235666461
oct70062545
930603773
1014706021
118334940
124b12519
13307b8b5
141d4b4a1
151457516
hexe06565

14706021 has 16 divisors (see below), whose sum is σ = 21510720. Its totient is φ = 8862720.

The previous prime is 14706011. The next prime is 14706077. The reversal of 14706021 is 12060741.

It is not a de Polignac number, because 14706021 - 25 = 14705989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14706001) 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 15 ways as a sum of consecutive naturals, for example, 5215 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (1344420).

Almost surely, 214706021 is an apocalyptic number.

14706021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14706021 is a deficient number, since it is larger than the sum of its proper divisors (6804699).

14706021 is a wasteful number, since it uses less digits than its factorization.

14706021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 14706021 is about 3834.8430215590. The cubic root of 14706021 is about 244.9994224615. Note that the first 3 decimals are identical.

Adding to 14706021 its reverse (12060741), we get a palindrome (26766762).

The spelling of 14706021 in words is "fourteen million, seven hundred six thousand, twenty-one".

Divisors: 1 3 11 33 193 579 2123 2309 6369 6927 25399 76197 445637 1336911 4902007 14706021