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401310043 = 2707148249
BaseRepresentation
bin10111111010111…
…000000101011011
31000222010122212221
4113322320011123
51310213410133
6103453244511
712642036061
oct2772700533
91028118787
10401310043
111965901a2
12b2493737
13651ac984
143b426031
1525371a2d
hex17eb815b

401310043 has 4 divisors (see below), whose sum is σ = 401461000. Its totient is φ = 401159088.

The previous prime is 401310037. The next prime is 401310053. The reversal of 401310043 is 340013104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-401310043 is a prime.

It is a super-2 number, since 2×4013100432 = 322099501225323698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401309999 and 401310026.

It is not an unprimeable number, because it can be changed into a prime (401310053) 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, 71418 + ... + 76831.

It is an arithmetic number, because the mean of its divisors is an integer number (100365250).

Almost surely, 2401310043 is an apocalyptic number.

401310043 is a deficient number, since it is larger than the sum of its proper divisors (150957).

401310043 is a wasteful number, since it uses less digits than its factorization.

401310043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150956.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 401310043 is about 20032.7243029998. The cubic root of 401310043 is about 737.6097964655.

Adding to 401310043 its reverse (340013104), we get a palindrome (741323147).

The spelling of 401310043 in words is "four hundred one million, three hundred ten thousand, forty-three".

Divisors: 1 2707 148249 401310043