Search a number
-
+
142702286 = 2557128099
BaseRepresentation
bin10001000000101…
…11011011001110
3100221112000201212
420200113123032
5243012433121
622054334422
73351643436
oct1040273316
9327460655
10142702286
1173608381
123b95a412
132374532c
1414d492c6
15c7dc25b
hex88176ce

142702286 has 8 divisors (see below), whose sum is σ = 214439400. Its totient is φ = 71222488.

The previous prime is 142702283. The next prime is 142702291. The reversal of 142702286 is 682207241.

142702286 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142702283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 62936 + ... + 65163.

It is an arithmetic number, because the mean of its divisors is an integer number (26804925).

Almost surely, 2142702286 is an apocalyptic number.

142702286 is a deficient number, since it is larger than the sum of its proper divisors (71737114).

142702286 is a wasteful number, since it uses less digits than its factorization.

142702286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128658.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 142702286 is about 11945.8062097123. The cubic root of 142702286 is about 522.5690007544.

The spelling of 142702286 in words is "one hundred forty-two million, seven hundred two thousand, two hundred eighty-six".

Divisors: 1 2 557 1114 128099 256198 71351143 142702286