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14420069 = 1941107173
BaseRepresentation
bin110111000000…
…100001100101
31000010121121122
4313000201211
512142420234
61233023325
7233366006
oct67004145
930117548
1014420069
11815a014
1249b4b45
132cab6b1
141cb51ad
1513ec92e
hexdc0865

14420069 has 16 divisors (see below), whose sum is σ = 15785280. Its totient is φ = 13127040.

The previous prime is 14420059. The next prime is 14420083. The reversal of 14420069 is 96002441.

It is a cyclic number.

It is not a de Polignac number, because 14420069 - 220 = 13371493 is a prime.

It is a super-2 number, since 2×144200692 = 415876779929522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83267 + ... + 83439.

It is an arithmetic number, because the mean of its divisors is an integer number (986580).

Almost surely, 214420069 is an apocalyptic number.

14420069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14420069 is a deficient number, since it is larger than the sum of its proper divisors (1365211).

14420069 is a wasteful number, since it uses less digits than its factorization.

14420069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 14420069 is about 3797.3765944399. The cubic root of 14420069 is about 243.4010493135.

The spelling of 14420069 in words is "fourteen million, four hundred twenty thousand, sixty-nine".

Divisors: 1 19 41 107 173 779 2033 3287 4387 7093 18511 83353 134767 351709 758951 14420069