Search a number
-
+
142421182 = 289800119
BaseRepresentation
bin10000111110100…
…10110010111110
3100220222202010121
420133102302332
5242424434212
622044325154
73346363051
oct1037226276
9326882117
10142421182
1173436162
123b8437ba
13236773b7
1414cb4a98
15c783d07
hex87d2cbe

142421182 has 8 divisors (see below), whose sum is σ = 216032400. Its totient is φ = 70410384.

The previous prime is 142421159. The next prime is 142421183. The reversal of 142421182 is 281124241.

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 (142421183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399882 + ... + 400237.

It is an arithmetic number, because the mean of its divisors is an integer number (27004050).

Almost surely, 2142421182 is an apocalyptic number.

142421182 is a deficient number, since it is larger than the sum of its proper divisors (73611218).

142421182 is an equidigital number, since it uses as much as digits as its factorization.

142421182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800210.

The product of its digits is 1024, while the sum is 25.

The square root of 142421182 is about 11934.0346069550. The cubic root of 142421182 is about 522.2256453643.

The spelling of 142421182 in words is "one hundred forty-two million, four hundred twenty-one thousand, one hundred eighty-two".

Divisors: 1 2 89 178 800119 1600238 71210591 142421182