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3640141 = 231011567
BaseRepresentation
bin1101111000101101001101
320211221100001
431320231031
51412441031
6210004301
742640441
oct15705515
96757301
103640141
11206698a
121276691
139a5b3b
146aa821
154bd861
hex378b4d

3640141 has 8 divisors (see below), whose sum is σ = 3838464. Its totient is φ = 3445200.

The previous prime is 3640121. The next prime is 3640151. The reversal of 3640141 is 1410463.

It is a happy number.

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 3640141 - 217 = 3509069 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 (3640121) 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, 1540 + ... + 3106.

It is an arithmetic number, because the mean of its divisors is an integer number (479808).

Almost surely, 23640141 is an apocalyptic number.

It is an amenable number.

3640141 is a deficient number, since it is larger than the sum of its proper divisors (198323).

3640141 is a wasteful number, since it uses less digits than its factorization.

3640141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3640141 is about 1907.9153545165. The cubic root of 3640141 is about 153.8294198273.

The spelling of 3640141 in words is "three million, six hundred forty thousand, one hundred forty-one".

Divisors: 1 23 101 1567 2323 36041 158267 3640141