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401143708 = 22714326561
BaseRepresentation
bin10111111010001…
…111011110011100
31000221211012201101
4113322033132130
51310143044313
6103445522444
712640444120
oct2772173634
91027735641
10401143708
11196487229
12b2413424
1365152054
143b3c1580
152533c5dd
hex17e8f79c

401143708 has 12 divisors (see below), whose sum is σ = 802287472. Its totient is φ = 171918720.

The previous prime is 401143609. The next prime is 401143723. The reversal of 401143708 is 807341104.

401143708 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 14326561 = 401143708 / (4 + 0 + 1 + 1 + 4 + 3 + 7 + 0 + 8).

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 3 ways as a sum of consecutive naturals, for example, 7163253 + ... + 7163308.

Almost surely, 2401143708 is an apocalyptic number.

It is an amenable number.

401143708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401143708 is a wasteful number, since it uses less digits than its factorization.

401143708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14326572 (or 14326570 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 401143708 is about 20028.5722906052. The cubic root of 401143708 is about 737.5078742049.

The spelling of 401143708 in words is "four hundred one million, one hundred forty-three thousand, seven hundred eight".

Divisors: 1 2 4 7 14 28 14326561 28653122 57306244 100285927 200571854 401143708