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14135661 = 33523543
BaseRepresentation
bin110101111011…
…000101101101
3222121011111000
4311323011231
512104320121
61222550513
7231102561
oct65730555
928534430
1014135661
117a85371
124898439
132c0c0c7
141c3d6a1
151393526
hexd7b16d

14135661 has 8 divisors (see below), whose sum is σ = 20941760. Its totient is φ = 9423756.

The previous prime is 14135629. The next prime is 14135669. The reversal of 14135661 is 16653141.

It is not a de Polignac number, because 14135661 - 25 = 14135629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 523543 = 14135661 / (1 + 4 + 1 + 3 + 5 + 6 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14135669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261745 + ... + 261798.

It is an arithmetic number, because the mean of its divisors is an integer number (2617720).

Almost surely, 214135661 is an apocalyptic number.

It is an amenable number.

14135661 is a deficient number, since it is larger than the sum of its proper divisors (6806099).

14135661 is an equidigital number, since it uses as much as digits as its factorization.

14135661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523552 (or 523546 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 14135661 is about 3759.7421454137. The cubic root of 14135661 is about 241.7902070426.

The spelling of 14135661 in words is "fourteen million, one hundred thirty-five thousand, six hundred sixty-one".

Divisors: 1 3 9 27 523543 1570629 4711887 14135661