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401305141 = 1273159883
BaseRepresentation
bin10111111010110…
…110111000110101
31000222010102011101
4113322312320311
51310213231031
6103453210101
712642015556
oct2772667065
91028112141
10401305141
11196587546
12b2490931
13651aa683
143b42432d
1525370361
hex17eb6e35

401305141 has 4 divisors (see below), whose sum is σ = 404465152. Its totient is φ = 398145132.

The previous prime is 401305133. The next prime is 401305147. The reversal of 401305141 is 141503104.

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 401305141 - 23 = 401305133 is a prime.

It is a super-2 number, since 2×4013051412 = 322091632386059762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401305147) by changing a digit.

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, 1579815 + ... + 1580068.

It is an arithmetic number, because the mean of its divisors is an integer number (101116288).

Almost surely, 2401305141 is an apocalyptic number.

It is an amenable number.

401305141 is a deficient number, since it is larger than the sum of its proper divisors (3160011).

401305141 is a wasteful number, since it uses less digits than its factorization.

401305141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160010.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 401305141 is about 20032.6019528168. The cubic root of 401305141 is about 737.6067931534.

Adding to 401305141 its reverse (141503104), we get a palindrome (542808245).

The spelling of 401305141 in words is "four hundred one million, three hundred five thousand, one hundred forty-one".

Divisors: 1 127 3159883 401305141