Search a number
-
+
142986768 = 24323129517
BaseRepresentation
bin10001000010111…
…00111000010000
3100222001110222020
420201130320100
5243101034033
622104411440
73354240021
oct1041347020
9328043866
10142986768
1173792091
123ba76b80
1323814972
1414dc0c48
15c8466b3
hex885ce10

142986768 has 40 divisors (see below), whose sum is σ = 385445568. Its totient is φ = 45589632.

The previous prime is 142986751. The next prime is 142986773. The reversal of 142986768 is 867689241.

It is a self number, because there is not a number n which added to its sum of digits gives 142986768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63655 + ... + 65862.

Almost surely, 2142986768 is an apocalyptic number.

It is an amenable number.

142986768 is an abundant number, since it is smaller than the sum of its proper divisors (242458800).

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

142986768 is a wasteful number, since it uses less digits than its factorization.

142986768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129551 (or 129545 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 142986768 is about 11957.7074725885. The cubic root of 142986768 is about 522.9160234514.

The spelling of 142986768 in words is "one hundred forty-two million, nine hundred eighty-six thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 129517 259034 388551 518068 777102 1036136 1554204 2072272 2978891 3108408 5957782 6216816 8936673 11915564 17873346 23831128 35746692 47662256 71493384 142986768