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4006965 = 35267131
BaseRepresentation
bin1111010010010000110101
321112120112010
433102100311
52011210330
6221514433
746026054
oct17222065
97476463
104006965
112297546
121412a19
13aa3ab1
1476439b
155423b0
hex3d2435

4006965 has 8 divisors (see below), whose sum is σ = 6411168. Its totient is φ = 2137040.

The previous prime is 4006963. The next prime is 4006969. The reversal of 4006965 is 5696004.

4006965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4006965 - 21 = 4006963 is a prime.

It is a super-2 number, since 2×40069652 = 32111537022450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133551 + ... + 133580.

It is an arithmetic number, because the mean of its divisors is an integer number (801396).

Almost surely, 24006965 is an apocalyptic number.

It is an amenable number.

4006965 is a deficient number, since it is larger than the sum of its proper divisors (2404203).

4006965 is a wasteful number, since it uses less digits than its factorization.

4006965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267139.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 4006965 is about 2001.7404926713. The cubic root of 4006965 is about 158.8321871743.

The spelling of 4006965 in words is "four million, six thousand, nine hundred sixty-five".

Divisors: 1 3 5 15 267131 801393 1335655 4006965