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14740991 = 136110831
BaseRepresentation
bin111000001110…
…110111111111
31000201220211122
4320032313333
512233202431
61243541155
7236203436
oct70166777
930656748
1014740991
118359141
124b2a7bb
1330917a5
141d5a11d
151462a7b
hexe0edff

14740991 has 4 divisors (see below), whose sum is σ = 14753184. Its totient is φ = 14728800.

The previous prime is 14740987. The next prime is 14740997. The reversal of 14740991 is 19904741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19904741 = 38951169.

It is a cyclic number.

It is not a de Polignac number, because 14740991 - 22 = 14740987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14740997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055 + ... + 6776.

It is an arithmetic number, because the mean of its divisors is an integer number (3688296).

Almost surely, 214740991 is an apocalyptic number.

14740991 is a deficient number, since it is larger than the sum of its proper divisors (12193).

14740991 is a wasteful number, since it uses less digits than its factorization.

14740991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12192.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 14740991 is about 3839.3998228890. The cubic root of 14740991 is about 245.1934665125.

The spelling of 14740991 in words is "fourteen million, seven hundred forty thousand, nine hundred ninety-one".

Divisors: 1 1361 10831 14740991