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401344313 = 17179131891
BaseRepresentation
bin10111111011000…
…000011100111001
31000222012101220012
4113323000130321
51310221004223
6103454111305
712642241016
oct2773003471
91028171805
10401344313
11196603a17
12b24ab535
13651c2456
143b43470d
152537bc78
hex17ec0739

401344313 has 8 divisors (see below), whose sum is σ = 427330080. Its totient is φ = 375622720.

The previous prime is 401344303. The next prime is 401344331. The reversal of 401344313 is 313443104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401344313 - 24 = 401344297 is a prime.

It is a super-2 number, since 2×4013443132 = 322154515154883938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401344303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62903 + ... + 68988.

It is an arithmetic number, because the mean of its divisors is an integer number (53416260).

Almost surely, 2401344313 is an apocalyptic number.

It is an amenable number.

401344313 is a deficient number, since it is larger than the sum of its proper divisors (25985767).

401344313 is a wasteful number, since it uses less digits than its factorization.

401344313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132087.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 401344313 is about 20033.5796352025. The cubic root of 401344313 is about 737.6307920097.

Adding to 401344313 its reverse (313443104), we get a palindrome (714787417).

The spelling of 401344313 in words is "four hundred one million, three hundred forty-four thousand, three hundred thirteen".

Divisors: 1 17 179 3043 131891 2242147 23608489 401344313