Search a number
-
+
143796 = 22323521
BaseRepresentation
bin100011000110110100
321022020210
4203012310
514100141
63025420
71136142
oct430664
9238223
10143796
1199044
126b270
13505b3
143a592
152c916
hex231b4

143796 has 24 divisors (see below), whose sum is σ = 350784. Its totient is φ = 45760.

The previous prime is 143791. The next prime is 143797. The reversal of 143796 is 697341.

It is a happy number.

143796 is nontrivially palindromic in base 5.

It is a d-powerful number, because it can be written as 1 + 48 + 75 + 37 + 95 + 63 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143791) by changing a digit.

143796 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 7 ways as a sum of consecutive naturals, for example, 16 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (14616).

2143796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175392).

143796 is an abundant number, since it is smaller than the sum of its proper divisors (206988).

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

143796 is a wasteful number, since it uses less digits than its factorization.

143796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 143796 is about 379.2044303539. The cubic root of 143796 is about 52.3900647403.

It can be divided in two parts, 143 and 796, that added together give a palindrome (939).

The spelling of 143796 in words is "one hundred forty-three thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 521 1042 1563 2084 3126 6252 11983 23966 35949 47932 71898 143796