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143080 = 2357273
BaseRepresentation
bin100010111011101000
321021021021
4202323220
514034310
63022224
71134100
oct427350
9237237
10143080
1198553
126a974
1350182
143a200
152c5da
hex22ee8

143080 has 48 divisors (see below), whose sum is σ = 379620. Its totient is φ = 48384.

The previous prime is 143063. The next prime is 143093. The reversal of 143080 is 80341.

143080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 196 = 378^2 + 14^2 .

It is a nialpdrome in base 11.

It is an unprimeable number.

143080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1924 + ... + 1996.

2143080 is an apocalyptic number.

143080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189810).

143080 is an abundant number, since it is smaller than the sum of its proper divisors (236540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143080 is a wasteful number, since it uses less digits than its factorization.

143080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 87 counting only the distinct ones).

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

The square root of 143080 is about 378.2591704110. The cubic root of 143080 is about 52.3029651482.

The spelling of 143080 in words is "one hundred forty-three thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 73 98 140 146 196 245 280 292 365 392 490 511 584 730 980 1022 1460 1960 2044 2555 2920 3577 4088 5110 7154 10220 14308 17885 20440 28616 35770 71540 143080