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401441045 = 5411958249
BaseRepresentation
bin10111111011011…
…000000100010101
31000222101022120212
4113323120010111
51310232103140
6103500135205
712643123025
oct2773300425
91028338525
10401441045
1119666a665
12b2537505
13652274a5
143b45ba85
152539a765
hex17ed8115

401441045 has 8 divisors (see below), whose sum is σ = 493479000. Its totient is φ = 313319680.

The previous prime is 401441023. The next prime is 401441069. The reversal of 401441045 is 540144104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1800964 + 399640081 = 1342^2 + 19991^2 .

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

It is not a de Polignac number, because 401441045 - 26 = 401440981 is a prime.

It is a super-2 number, since 2×4014410452 = 322309825221384050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401441045.

It is a congruent number.

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, 978920 + ... + 979329.

It is an arithmetic number, because the mean of its divisors is an integer number (61684875).

Almost surely, 2401441045 is an apocalyptic number.

It is an amenable number.

401441045 is a deficient number, since it is larger than the sum of its proper divisors (92037955).

401441045 is a wasteful number, since it uses less digits than its factorization.

401441045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958295.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 401441045 is about 20035.9937362737. The cubic root of 401441045 is about 737.6900485032.

Adding to 401441045 its reverse (540144104), we get a palindrome (941585149).

The spelling of 401441045 in words is "four hundred one million, four hundred forty-one thousand, forty-five".

Divisors: 1 5 41 205 1958249 9791245 80288209 401441045