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14773421 = 131136417
BaseRepresentation
bin111000010110…
…110010101101
31000210120022202
4320112302231
512240222141
61244351245
7236400125
oct70266255
930716282
1014773421
118380543
124b45525
1330a3490
141d67c85
15146c49b
hexe16cad

14773421 has 4 divisors (see below), whose sum is σ = 15909852. Its totient is φ = 13636992.

The previous prime is 14773399. The next prime is 14773427. The reversal of 14773421 is 12437741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12437741 = 17337177.

It can be written as a sum of positive squares in 2 ways, for example, as 5470921 + 9302500 = 2339^2 + 3050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14773421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14773427) by changing a digit.

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, 568196 + ... + 568221.

It is an arithmetic number, because the mean of its divisors is an integer number (3977463).

Almost surely, 214773421 is an apocalyptic number.

It is an amenable number.

14773421 is a deficient number, since it is larger than the sum of its proper divisors (1136431).

14773421 is a wasteful number, since it uses less digits than its factorization.

14773421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136430.

The product of its digits is 4704, while the sum is 29.

The square root of 14773421 is about 3843.6208189674. The cubic root of 14773421 is about 245.3731423582.

The spelling of 14773421 in words is "fourteen million, seven hundred seventy-three thousand, four hundred twenty-one".

Divisors: 1 13 1136417 14773421