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14220493 = 719106921
BaseRepresentation
bin110110001111…
…110011001101
3222202110211221
4312033303031
512120023433
61224443341
7231605110
oct66176315
928673757
1014220493
118033081
124919551
132c3b8c1
141c62577
1513ad72d
hexd8fccd

14220493 has 8 divisors (see below), whose sum is σ = 17107520. Its totient is φ = 11547360.

The previous prime is 14220439. The next prime is 14220533. The reversal of 14220493 is 39402241.

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

It is a cyclic number.

It is not a de Polignac number, because 14220493 - 29 = 14219981 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 (14220403) 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, 53328 + ... + 53593.

It is an arithmetic number, because the mean of its divisors is an integer number (2138440).

Almost surely, 214220493 is an apocalyptic number.

It is an amenable number.

14220493 is a deficient number, since it is larger than the sum of its proper divisors (2887027).

14220493 is a wasteful number, since it uses less digits than its factorization.

14220493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106947.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 14220493 is about 3771.0068947166. The cubic root of 14220493 is about 242.2729259214.

The spelling of 14220493 in words is "fourteen million, two hundred twenty thousand, four hundred ninety-three".

Divisors: 1 7 19 133 106921 748447 2031499 14220493