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14352809 = 193172383
BaseRepresentation
bin110110110000…
…000110101001
31000000012100112
4312300012221
512133242214
61231344105
7232665632
oct66600651
930005315
1014352809
118113529
124982035
132c86bb3
141c98889
1513d7a3e
hexdb01a9

14352809 has 8 divisors (see below), whose sum is σ = 15162240. Its totient is φ = 13548816.

The previous prime is 14352803. The next prime is 14352817. The reversal of 14352809 is 90825341.

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 14352809 - 220 = 13304233 is a prime.

It is a super-3 number, since 3×143528093 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14352803) 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 7 ways as a sum of consecutive naturals, for example, 4832 + ... + 7214.

It is an arithmetic number, because the mean of its divisors is an integer number (1895280).

Almost surely, 214352809 is an apocalyptic number.

14352809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14352809 is a deficient number, since it is larger than the sum of its proper divisors (809431).

14352809 is a wasteful number, since it uses less digits than its factorization.

14352809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 14352809 is about 3788.5101293252. The cubic root of 14352809 is about 243.0220249079.

The spelling of 14352809 in words is "fourteen million, three hundred fifty-two thousand, eight hundred nine".

Divisors: 1 19 317 2383 6023 45277 755411 14352809