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401001313 = 3691108643
BaseRepresentation
bin10111111001101…
…100101101100001
31000221112222101111
4113321230231201
51310124020223
6103442503321
712636312016
oct2771545541
91027488344
10401001313
1119639a249
12b2364b41
13651022ab
143b38570d
152531030d
hex17e6cb61

401001313 has 4 divisors (see below), whose sum is σ = 401113648. Its totient is φ = 400888980.

The previous prime is 401001283. The next prime is 401001319. The reversal of 401001313 is 313100104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401001313 - 25 = 401001281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401001293 and 401001302.

It is not an unprimeable number, because it can be changed into a prime (401001319) 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, 50631 + ... + 58012.

It is an arithmetic number, because the mean of its divisors is an integer number (100278412).

Almost surely, 2401001313 is an apocalyptic number.

It is an amenable number.

401001313 is a deficient number, since it is larger than the sum of its proper divisors (112335).

401001313 is a wasteful number, since it uses less digits than its factorization.

401001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112334.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 401001313 is about 20025.0171785195. The cubic root of 401001313 is about 737.4205988634.

Adding to 401001313 its reverse (313100104), we get a palindrome (714101417).

The spelling of 401001313 in words is "four hundred one million, one thousand, three hundred thirteen".

Divisors: 1 3691 108643 401001313