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401304344 = 2377166149
BaseRepresentation
bin10111111010110…
…110101100011000
31000222010101001212
4113322312230120
51310213214334
6103453202252
712642013340
oct2772665430
91028111055
10401304344
11196586991
12b2490388
13651aa1bc
143b423d20
152536eece
hex17eb6b18

401304344 has 16 divisors (see below), whose sum is σ = 859938000. Its totient is φ = 171987552.

The previous prime is 401304341. The next prime is 401304353. The reversal of 401304344 is 443403104.

It is a super-2 number, since 2×4013043442 = 322090353026540672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401304341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3583019 + ... + 3583130.

It is an arithmetic number, because the mean of its divisors is an integer number (53746125).

Almost surely, 2401304344 is an apocalyptic number.

It is an amenable number.

401304344 is an abundant number, since it is smaller than the sum of its proper divisors (458633656).

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

401304344 is a wasteful number, since it uses less digits than its factorization.

401304344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166162 (or 7166158 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 401304344 is about 20032.5820602338. The cubic root of 401304344 is about 737.6063048524.

Adding to 401304344 its reverse (443403104), we get a palindrome (844707448).

The spelling of 401304344 in words is "four hundred one million, three hundred four thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 7166149 14332298 28664596 50163043 57329192 100326086 200652172 401304344