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14389790 = 251438979
BaseRepresentation
bin110110111001…
…001000011110
31000002002002012
4312321020132
512140433130
61232231222
7233211512
oct66711036
930062065
1014389790
118139298
12499b512
132c9a98c
141ca8142
1513e3995
hexdb921e

14389790 has 8 divisors (see below), whose sum is σ = 25901640. Its totient is φ = 5755912.

The previous prime is 14389763. The next prime is 14389807. The reversal of 14389790 is 9798341.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 719480 + ... + 719499.

It is an arithmetic number, because the mean of its divisors is an integer number (3237705).

Almost surely, 214389790 is an apocalyptic number.

14389790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14389790 is a deficient number, since it is larger than the sum of its proper divisors (11511850).

14389790 is a wasteful number, since it uses less digits than its factorization.

14389790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438986.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 14389790 is about 3793.3876680350. The cubic root of 14389790 is about 243.2305668925.

The spelling of 14389790 in words is "fourteen million, three hundred eighty-nine thousand, seven hundred ninety".

Divisors: 1 2 5 10 1438979 2877958 7194895 14389790