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401541441 = 37149181709
BaseRepresentation
bin10111111011110…
…000100101000001
31000222120102022020
4113323300211001
51310243311231
6103502232053
712644021520
oct2773604501
91028512266
10401541441
11196729034
12b2585629
13652610b2
143b4864b7
15253ba396
hex17ef0941

401541441 has 32 divisors (see below), whose sum is σ = 620256000. Its totient is φ = 226333440.

The previous prime is 401541431. The next prime is 401541443. The reversal of 401541441 is 144145104.

It is not a de Polignac number, because 401541441 - 29 = 401540929 is a prime.

It is a super-2 number, since 2×4015414412 = 322471057680712962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401541443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565995 + ... + 566703.

It is an arithmetic number, because the mean of its divisors is an integer number (19383000).

Almost surely, 2401541441 is an apocalyptic number.

It is an amenable number.

401541441 is a deficient number, since it is larger than the sum of its proper divisors (218714559).

401541441 is a wasteful number, since it uses less digits than its factorization.

401541441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 401541441 is about 20038.4989707313. The cubic root of 401541441 is about 737.7515394394.

Adding to 401541441 its reverse (144145104), we get a palindrome (545686545).

The spelling of 401541441 in words is "four hundred one million, five hundred forty-one thousand, four hundred forty-one".

Divisors: 1 3 7 21 149 181 447 543 709 1043 1267 2127 3129 3801 4963 14889 26969 80907 105641 128329 188783 316923 384987 566349 739487 898303 2218461 2694909 19121021 57363063 133847147 401541441