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143056 = 248941
BaseRepresentation
bin100010111011010000
321021020101
4202323100
514034211
63022144
71134034
oct427320
9237211
10143056
1198531
126a954
1350164
143a1c4
152c5c1
hex22ed0

143056 has 10 divisors (see below), whose sum is σ = 277202. Its totient is φ = 71520.

The previous prime is 143053. The next prime is 143063. The reversal of 143056 is 650341.

It can be written as a sum of positive squares in only one way, i.e., 129600 + 13456 = 360^2 + 116^2 .

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4455 + ... + 4486.

2143056 is an apocalyptic number.

143056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143056 is a deficient number, since it is larger than the sum of its proper divisors (134146).

143056 is an equidigital number, since it uses as much as digits as its factorization.

143056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8949 (or 8943 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 143056 is about 378.2274448001. The cubic root of 143056 is about 52.3000405807.

Adding to 143056 its reverse (650341), we get a palindrome (793397).

The spelling of 143056 in words is "one hundred forty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 8941 17882 35764 71528 143056