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143052 = 223713131
BaseRepresentation
bin100010111011001100
321021020020
4202323030
514034202
63022140
71134030
oct427314
9237206
10143052
1198528
126a950
1350160
143a1c0
152c5bc
hex22ecc

143052 has 48 divisors (see below), whose sum is σ = 413952. Its totient is φ = 37440.

The previous prime is 142993. The next prime is 143053. The reversal of 143052 is 250341.

Adding to 143052 its reverse (250341), we get a palindrome (393393).

143052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 in 15 ways as a sum of consecutive naturals, for example, 1027 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (8624).

2143052 is an apocalyptic number.

143052 is a gapful number since it is divisible by the number (12) 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 143052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206976).

143052 is an abundant number, since it is smaller than the sum of its proper divisors (270900).

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

143052 is a wasteful number, since it uses less digits than its factorization.

143052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 143052 is about 378.2221569395. Note that the first 3 decimals coincide. The cubic root of 143052 is about 52.2995531210.

The spelling of 143052 in words is "one hundred forty-three thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 131 156 182 262 273 364 393 524 546 786 917 1092 1572 1703 1834 2751 3406 3668 5109 5502 6812 10218 11004 11921 20436 23842 35763 47684 71526 143052