Search a number
-
+
401143 = 23107163
BaseRepresentation
bin1100001111011110111
3202101021011
41201323313
5100314033
612333051
73260341
oct1417367
9671234
10401143
11254426
12174187
13110782
14a6291
157dccd
hex61ef7

401143 has 8 divisors (see below), whose sum is σ = 425088. Its totient is φ = 377784.

The previous prime is 401119. The next prime is 401161. The reversal of 401143 is 341104.

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 401143 - 217 = 270071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (53136).

2401143 is an apocalyptic number.

401143 is a deficient number, since it is larger than the sum of its proper divisors (23945).

401143 is a wasteful number, since it uses less digits than its factorization.

401143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 401143 is about 633.3585082716. The cubic root of 401143 is about 73.7507440316.

Adding to 401143 its reverse (341104), we get a palindrome (742247).

The spelling of 401143 in words is "four hundred one thousand, one hundred forty-three", and thus it is an iban number.

Divisors: 1 23 107 163 2461 3749 17441 401143