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14785945 = 52957189
BaseRepresentation
bin111000011001…
…110110011001
31000211012111121
4320121312121
512241122240
61244525241
7236451466
oct70316631
930735447
1014785945
118389999
124b50821
1330a90a5
141d6c66d
15147104a
hexe19d99

14785945 has 4 divisors (see below), whose sum is σ = 17743140. Its totient is φ = 11828752.

The previous prime is 14785921. The next prime is 14785951. The reversal of 14785945 is 54958741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54958741 = 291895129.

It can be written as a sum of positive squares in 2 ways, for example, as 2758921 + 12027024 = 1661^2 + 3468^2 .

It is a cyclic number.

It is not a de Polignac number, because 14785945 - 27 = 14785817 is a prime.

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, 1478590 + ... + 1478599.

It is an arithmetic number, because the mean of its divisors is an integer number (4435785).

Almost surely, 214785945 is an apocalyptic number.

It is an amenable number.

14785945 is a deficient number, since it is larger than the sum of its proper divisors (2957195).

14785945 is an equidigital number, since it uses as much as digits as its factorization.

14785945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957194.

The product of its digits is 201600, while the sum is 43.

The square root of 14785945 is about 3845.2496667967. The cubic root of 14785945 is about 245.4424602064.

The spelling of 14785945 in words is "fourteen million, seven hundred eighty-five thousand, nine hundred forty-five".

Divisors: 1 5 2957189 14785945