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401382814 = 27223917137
BaseRepresentation
bin10111111011001…
…001110110011110
31000222021100201011
4113323021312132
51310223222224
6103455005434
712642461200
oct2773116636
91028240634
10401382814
1119662a938
12b250987a
1365206b31
143b444770
1525388394
hex17ec9d9e

401382814 has 24 divisors (see below), whose sum is σ = 703343520. Its totient is φ = 171291456.

The previous prime is 401382781. The next prime is 401382853. The reversal of 401382814 is 418283104.

It is a super-2 number, since 2×4013828142 = 322216326749117192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14854 + ... + 31990.

It is an arithmetic number, because the mean of its divisors is an integer number (29305980).

Almost surely, 2401382814 is an apocalyptic number.

401382814 is a deficient number, since it is larger than the sum of its proper divisors (301960706).

401382814 is a wasteful number, since it uses less digits than its factorization.

401382814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17392 (or 17385 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 401382814 is about 20034.5405238054. The cubic root of 401382814 is about 737.6543782540.

The spelling of 401382814 in words is "four hundred one million, three hundred eighty-two thousand, eight hundred fourteen".

Divisors: 1 2 7 14 49 98 239 478 1673 3346 11711 17137 23422 34274 119959 239918 839713 1679426 4095743 8191486 28670201 57340402 200691407 401382814