Search a number
-
+
142336536 = 233431071289
BaseRepresentation
bin10000111101111…
…10001000011000
3100220211110000120
420132332020120
5242414232121
622042433240
73345561216
oct1036761030
9326743016
10142336536
1173388601
123b802820
1323647a04
1414c91cb6
15c768bc6
hex87be218

142336536 has 64 divisors (see below), whose sum is σ = 367804800. Its totient is φ = 45873408.

The previous prime is 142336501. The next prime is 142336547. The reversal of 142336536 is 635633241.

It is a junction number, because it is equal to n+sod(n) for n = 142336497 and 142336506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109780 + ... + 111068.

It is an arithmetic number, because the mean of its divisors is an integer number (5746950).

Almost surely, 2142336536 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 142336536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183902400).

142336536 is an abundant number, since it is smaller than the sum of its proper divisors (225468264).

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

142336536 is a wasteful number, since it uses less digits than its factorization.

142336536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1444 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 142336536 is about 11930.4876681551. The cubic root of 142336536 is about 522.1221657375.

Adding to 142336536 its reverse (635633241), we get a palindrome (777969777).

The spelling of 142336536 in words is "one hundred forty-two million, three hundred thirty-six thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 43 86 107 129 172 214 258 321 344 428 516 642 856 1032 1284 1289 2568 2578 3867 4601 5156 7734 9202 10312 13803 15468 18404 27606 30936 36808 55212 55427 110424 110854 137923 166281 221708 275846 332562 413769 443416 551692 665124 827538 1103384 1330248 1655076 3310152 5930689 11861378 17792067 23722756 35584134 47445512 71168268 142336536