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14819945 = 57423427
BaseRepresentation
bin111000100010…
…001001101001
31000212221010212
4320202021221
512243214240
61245350505
7236652560
oct70421151
930787125
1014819945
118402498
124b68435
1330bb6ca
141d7abd7
15147b165
hexe22269

14819945 has 8 divisors (see below), whose sum is σ = 20324544. Its totient is φ = 10162224.

The previous prime is 14819939. The next prime is 14819963. The reversal of 14819945 is 54991841.

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 14819945 - 214 = 14803561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211679 + ... + 211748.

It is an arithmetic number, because the mean of its divisors is an integer number (2540568).

Almost surely, 214819945 is an apocalyptic number.

It is an amenable number.

14819945 is a deficient number, since it is larger than the sum of its proper divisors (5504599).

14819945 is an equidigital number, since it uses as much as digits as its factorization.

14819945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423439.

The product of its digits is 51840, while the sum is 41.

The square root of 14819945 is about 3849.6681675178. The cubic root of 14819945 is about 245.6304462833.

The spelling of 14819945 in words is "fourteen million, eight hundred nineteen thousand, nine hundred forty-five".

Divisors: 1 5 7 35 423427 2117135 2963989 14819945