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3541985 = 51136269
BaseRepresentation
bin1101100000101111100001
320122221200122
431200233201
51401320420
6203530025
742051326
oct15405741
96587618
103541985
111aaa167
121229915
13970265
14682b4d
1549e725
hex360be1

3541985 has 8 divisors (see below), whose sum is σ = 4288680. Its totient is φ = 2808064.

The previous prime is 3541957. The next prime is 3541987. The reversal of 3541985 is 5891453.

3541985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 33856 + 3508129 = 184^2 + 1873^2 .

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 3541985 - 26 = 3541921 is a prime.

It is a super-3 number, since 3×35419853 (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3541987) 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, 2570 + ... + 3699.

It is an arithmetic number, because the mean of its divisors is an integer number (536085).

Almost surely, 23541985 is an apocalyptic number.

It is an amenable number.

3541985 is a deficient number, since it is larger than the sum of its proper divisors (746695).

3541985 is a wasteful number, since it uses less digits than its factorization.

3541985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387.

The product of its digits is 21600, while the sum is 35.

The square root of 3541985 is about 1882.0162060939. The cubic root of 3541985 is about 152.4341380022.

The spelling of 3541985 in words is "three million, five hundred forty-one thousand, nine hundred eighty-five".

Divisors: 1 5 113 565 6269 31345 708397 3541985