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3640109 = 112911411
BaseRepresentation
bin1101111000101100101101
320211221021212
431320230231
51412440414
6210004205
742640364
oct15705455
96757255
103640109
112066960
121276665
139a5b15
146aa7db
154bd83e
hex378b2d

3640109 has 8 divisors (see below), whose sum is σ = 4108320. Its totient is φ = 3194800.

The previous prime is 3640081. The next prime is 3640121. The reversal of 3640109 is 9010463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3640109 - 212 = 3636013 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 (3640309) 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 7 ways as a sum of consecutive naturals, for example, 5387 + ... + 6024.

It is an arithmetic number, because the mean of its divisors is an integer number (513540).

Almost surely, 23640109 is an apocalyptic number.

It is an amenable number.

3640109 is a deficient number, since it is larger than the sum of its proper divisors (468211).

3640109 is a wasteful number, since it uses less digits than its factorization.

3640109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3640109 is about 1907.9069683818. The cubic root of 3640109 is about 153.8289690613.

The spelling of 3640109 in words is "three million, six hundred forty thousand, one hundred nine".

Divisors: 1 11 29 319 11411 125521 330919 3640109