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143100 = 22335253
BaseRepresentation
bin100010111011111100
321021022000
4202323330
514034400
63022300
71134126
oct427374
9237260
10143100
1198571
126a990
1350199
143a216
152c600
hex22efc

143100 has 72 divisors (see below), whose sum is σ = 468720. Its totient is φ = 37440.

The previous prime is 143093. The next prime is 143107. The reversal of 143100 is 1341.

It is an interprime number because it is at equal distance from previous prime (143093) and next prime (143107).

It is a super-2 number, since 2×1431002 = 40955220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143107) by changing a digit.

143100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 23 ways as a sum of consecutive naturals, for example, 2674 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (6510).

2143100 is an apocalyptic number.

143100 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 143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234360).

143100 is an abundant number, since it is smaller than the sum of its proper divisors (325620).

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

143100 is a wasteful number, since it uses less digits than its factorization.

143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 143100 is about 378.2856063876. The cubic root of 143100 is about 52.3054020380.

Adding to 143100 its reverse (1341), we get a palindrome (144441).

It can be divided in two parts, 143 and 100, that added together give a 5-th power (243 = 35).

The spelling of 143100 in words is "one hundred forty-three thousand, one hundred", and thus it is an iban number.

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 53 54 60 75 90 100 106 108 135 150 159 180 212 225 265 270 300 318 450 477 530 540 636 675 795 900 954 1060 1325 1350 1431 1590 1908 2385 2650 2700 2862 3180 3975 4770 5300 5724 7155 7950 9540 11925 14310 15900 23850 28620 35775 47700 71550 143100