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401320141 = 3112945811
BaseRepresentation
bin10111111010111…
…010100011001101
31000222011011201221
4113322322203031
51310214221031
6103453403341
712642110365
oct2772724315
91028134657
10401320141
11196597842
12b2499551
13651b4451
143b4299a5
1525374a11
hex17eba8cd

401320141 has 4 divisors (see below), whose sum is σ = 414265984. Its totient is φ = 388374300.

The previous prime is 401320111. The next prime is 401320163. The reversal of 401320141 is 141023104.

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 401320141 - 219 = 400795853 is a prime.

It is a super-2 number, since 2×4013201412 = 322115711144519762, 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 (401320111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6472875 + ... + 6472936.

It is an arithmetic number, because the mean of its divisors is an integer number (103566496).

Almost surely, 2401320141 is an apocalyptic number.

It is an amenable number.

401320141 is a deficient number, since it is larger than the sum of its proper divisors (12945843).

401320141 is a wasteful number, since it uses less digits than its factorization.

401320141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945842.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 401320141 is about 20032.9763390266. The cubic root of 401320141 is about 737.6159831378.

Adding to 401320141 its reverse (141023104), we get a palindrome (542343245).

The spelling of 401320141 in words is "four hundred one million, three hundred twenty thousand, one hundred forty-one".

Divisors: 1 31 12945811 401320141