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14158745 = 52831749
BaseRepresentation
bin110110000000…
…101110011001
3222122100010222
4312000232121
512111034440
61223245425
7231230066
oct66005631
928570128
1014158745
117aa0747
1248a9875
132c19773
141c47c6d
15139a2b5
hexd80b99

14158745 has 4 divisors (see below), whose sum is σ = 16990500. Its totient is φ = 11326992.

The previous prime is 14158741. The next prime is 14158751. The reversal of 14158745 is 54785141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54785141 = 409133949.

It can be written as a sum of positive squares in 2 ways, for example, as 9815689 + 4343056 = 3133^2 + 2084^2 .

It is a cyclic number.

It is not a de Polignac number, because 14158745 - 22 = 14158741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14158741) 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 3 ways as a sum of consecutive naturals, for example, 1415870 + ... + 1415879.

It is an arithmetic number, because the mean of its divisors is an integer number (4247625).

Almost surely, 214158745 is an apocalyptic number.

It is an amenable number.

14158745 is a deficient number, since it is larger than the sum of its proper divisors (2831755).

14158745 is an equidigital number, since it uses as much as digits as its factorization.

14158745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831754.

The product of its digits is 22400, while the sum is 35.

The square root of 14158745 is about 3762.8107845067. The cubic root of 14158745 is about 241.9217525865.

The spelling of 14158745 in words is "fourteen million, one hundred fifty-eight thousand, seven hundred forty-five".

Divisors: 1 5 2831749 14158745