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3995065 = 52573109
BaseRepresentation
bin1111001111010110111001
321111222012101
433033112321
52010320230
6221343401
745646264
oct17172671
97458171
103995065
112289608
121407b61
13a9b559
1475dcdb
1553daca
hex3cf5b9

3995065 has 8 divisors (see below), whose sum is σ = 4814280. Its totient is φ = 3182592.

The previous prime is 3995029. The next prime is 3995083. The reversal of 3995065 is 5605993.

It can be written as a sum of positive squares in 4 ways, for example, as 840889 + 3154176 = 917^2 + 1776^2 .

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 3995065 - 27 = 3994937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (601785).

Almost surely, 23995065 is an apocalyptic number.

It is an amenable number.

3995065 is a deficient number, since it is larger than the sum of its proper divisors (819215).

3995065 is a wasteful number, since it uses less digits than its factorization.

3995065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 3995065 is about 1998.7658692303. The cubic root of 3995065 is about 158.6747964630.

The spelling of 3995065 in words is "three million, nine hundred ninety-five thousand, sixty-five".

Divisors: 1 5 257 1285 3109 15545 799013 3995065