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401142141 = 32432394337
BaseRepresentation
bin10111111010001…
…111000101111101
31000221211010120100
4113322033011331
51310143022031
6103445511313
712640436421
oct2772170575
91027733510
10401142141
11196486034
12b2412539
136515141a
143b3c0b81
152533bde6
hex17e8f17d

401142141 has 24 divisors (see below), whose sum is σ = 595520640. Its totient is φ = 260055936.

The previous prime is 401142109. The next prime is 401142143. The reversal of 401142141 is 141241104.

It is not a de Polignac number, because 401142141 - 25 = 401142109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401142143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90325 + ... + 94661.

It is an arithmetic number, because the mean of its divisors is an integer number (24813360).

Almost surely, 2401142141 is an apocalyptic number.

It is an amenable number.

401142141 is a deficient number, since it is larger than the sum of its proper divisors (194378499).

401142141 is a wasteful number, since it uses less digits than its factorization.

401142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 401142141 is about 20028.5331714532. The cubic root of 401142141 is about 737.5069138871.

Adding to 401142141 its reverse (141241104), we get a palindrome (542383245).

The spelling of 401142141 in words is "four hundred one million, one hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 9 43 129 239 387 717 2151 4337 10277 13011 30831 39033 92493 186491 559473 1036543 1678419 3109629 9328887 44571349 133714047 401142141