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14421769 = 70920341
BaseRepresentation
bin110111000000…
…111100001001
31000010200221121
4313000330021
512142444034
61233035241
7233403655
oct67007411
930120847
1014421769
11816031a
1249b5b21
132cac3bb
141cb5a65
1513ed1b4
hexdc0f09

14421769 has 4 divisors (see below), whose sum is σ = 14442820. Its totient is φ = 14400720.

The previous prime is 14421767. The next prime is 14421773. The reversal of 14421769 is 96712441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5198400 + 9223369 = 2280^2 + 3037^2 .

It is a cyclic number.

It is not a de Polignac number, because 14421769 - 21 = 14421767 is a prime.

It is a super-2 number, since 2×144217692 = 415974842178722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14421767) 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 3 ways as a sum of consecutive naturals, for example, 9462 + ... + 10879.

It is an arithmetic number, because the mean of its divisors is an integer number (3610705).

Almost surely, 214421769 is an apocalyptic number.

It is an amenable number.

14421769 is a deficient number, since it is larger than the sum of its proper divisors (21051).

14421769 is an equidigital number, since it uses as much as digits as its factorization.

14421769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21050.

The product of its digits is 12096, while the sum is 34.

The square root of 14421769 is about 3797.6004265852. The cubic root of 14421769 is about 243.4106138892.

It can be divided in two parts, 14 and 421769, that multiplied together give a triangular number (5904766 = T3436).

The spelling of 14421769 in words is "fourteen million, four hundred twenty-one thousand, seven hundred sixty-nine".

Divisors: 1 709 20341 14421769