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14409693 = 3217531777
BaseRepresentation
bin110110111101…
…111111011101
31000010002101100
4312331333131
512142102233
61232503313
7233323524
oct66757735
930102340
1014409693
118152241
1249aab39
132ca6a5c
141cb14bb
1513e9813
hexdbdfdd

14409693 has 24 divisors (see below), whose sum is σ = 22466808. Its totient is φ = 8865792.

The previous prime is 14409673. The next prime is 14409697. The reversal of 14409693 is 39690441.

It can be written as a sum of positive squares in 4 ways, for example, as 5391684 + 9018009 = 2322^2 + 3003^2 .

It is not a de Polignac number, because 14409693 - 29 = 14409181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14409697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7221 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (936117).

Almost surely, 214409693 is an apocalyptic number.

It is an amenable number.

14409693 is a deficient number, since it is larger than the sum of its proper divisors (8057115).

14409693 is a wasteful number, since it uses less digits than its factorization.

14409693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 14409693 is about 3796.0101422415. The cubic root of 14409693 is about 243.3426553423.

The spelling of 14409693 in words is "fourteen million, four hundred nine thousand, six hundred ninety-three".

Divisors: 1 3 9 17 51 53 153 159 477 901 1777 2703 5331 8109 15993 30209 90627 94181 271881 282543 847629 1601077 4803231 14409693