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143193441 = 3371290031
BaseRepresentation
bin10001000100011…
…11010101100001
3100222102222110210
420202033111201
5243124142231
622113044333
73356060406
oct1042172541
9328388423
10143193441
1173913396
123bb566a9
1323887a61
14150362ad
15c887a46
hex888f561

143193441 has 8 divisors (see below), whose sum is σ = 196084864. Its totient is φ = 92882160.

The previous prime is 143193403. The next prime is 143193493. The reversal of 143193441 is 144391341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143193441 - 27 = 143193313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143193399 and 143193408.

It is not an unprimeable number, because it can be changed into a prime (143193041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644905 + ... + 645126.

It is an arithmetic number, because the mean of its divisors is an integer number (24510608).

Almost surely, 2143193441 is an apocalyptic number.

It is an amenable number.

143193441 is a deficient number, since it is larger than the sum of its proper divisors (52891423).

143193441 is a wasteful number, since it uses less digits than its factorization.

143193441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290071.

The product of its digits is 5184, while the sum is 30.

The square root of 143193441 is about 11966.3461841951. The cubic root of 143193441 is about 523.1678430130.

The spelling of 143193441 in words is "one hundred forty-three million, one hundred ninety-three thousand, four hundred forty-one".

Divisors: 1 3 37 111 1290031 3870093 47731147 143193441