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14740661 = 131133897
BaseRepresentation
bin111000001110…
…110010110101
31000201220101102
4320032302311
512233200121
61243535445
7236202455
oct70166265
930656342
1014740661
118358971
124b2a585
1330915b0
141d59d65
15146290b
hexe0ecb5

14740661 has 4 divisors (see below), whose sum is σ = 15874572. Its totient is φ = 13606752.

The previous prime is 14740651. The next prime is 14740667. The reversal of 14740661 is 16604741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16604741 = 53313297.

It can be written as a sum of positive squares in 2 ways, for example, as 3724900 + 11015761 = 1930^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 14740661 - 26 = 14740597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14740667) by changing a digit.

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, 566936 + ... + 566961.

It is an arithmetic number, because the mean of its divisors is an integer number (3968643).

Almost surely, 214740661 is an apocalyptic number.

It is an amenable number.

14740661 is a deficient number, since it is larger than the sum of its proper divisors (1133911).

14740661 is a wasteful number, since it uses less digits than its factorization.

14740661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133910.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 14740661 is about 3839.3568471816. The cubic root of 14740661 is about 245.1916368198.

The spelling of 14740661 in words is "fourteen million, seven hundred forty thousand, six hundred sixty-one".

Divisors: 1 13 1133897 14740661