Search a number
-
+
143241293 = 1371155191
BaseRepresentation
bin10001000100110…
…11000001001101
3100222112102010002
420202123001031
5243132210133
622114054045
73356350046
oct1042330115
9328472102
10143241293
1173946338
123bb7a325
13238a3780
14150498cd
15c896ce8
hex889b04d

143241293 has 8 divisors (see below), whose sum is σ = 156433536. Its totient is φ = 130359600.

The previous prime is 143241281. The next prime is 143241311. The reversal of 143241293 is 392142341.

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 143241293 - 24 = 143241277 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 (143243293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76673 + ... + 78518.

It is an arithmetic number, because the mean of its divisors is an integer number (19554192).

Almost surely, 2143241293 is an apocalyptic number.

143241293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143241293 is a deficient number, since it is larger than the sum of its proper divisors (13192243).

143241293 is a wasteful number, since it uses less digits than its factorization.

143241293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155275.

The product of its digits is 5184, while the sum is 29.

The square root of 143241293 is about 11968.3454579152. The cubic root of 143241293 is about 523.2261134648.

The spelling of 143241293 in words is "one hundred forty-three million, two hundred forty-one thousand, two hundred ninety-three".

Divisors: 1 13 71 923 155191 2017483 11018561 143241293