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14927405 = 57340897
BaseRepresentation
bin111000111100…
…011000101101
31001002101112212
4320330120231
512310134110
61251540205
7240611063
oct70743055
931071485
1014927405
1184761a9
124bba665
1331285ac
141da8033
15149ce05
hexe3c62d

14927405 has 8 divisors (see below), whose sum is σ = 18158712. Its totient is φ = 11778048.

The previous prime is 14927389. The next prime is 14927447. The reversal of 14927405 is 50472941.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4338889 + 10588516 = 2083^2 + 3254^2 .

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 14927405 - 24 = 14927389 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 20084 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (2269839).

Almost surely, 214927405 is an apocalyptic number.

It is an amenable number.

14927405 is a deficient number, since it is larger than the sum of its proper divisors (3231307).

14927405 is an equidigital number, since it uses as much as digits as its factorization.

14927405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40975.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 14927405 is about 3863.6000051765. The cubic root of 14927405 is about 246.2227090612. Note that the first 3 decimals are identical.

The spelling of 14927405 in words is "fourteen million, nine hundred twenty-seven thousand, four hundred five".

Divisors: 1 5 73 365 40897 204485 2985481 14927405