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142419242 = 2710172803
BaseRepresentation
bin10000111110100…
…10010100101010
3100220222122110202
420133102110222
5242424403432
622044312202
73346354310
oct1037222452
9326878422
10142419242
1173434759
123b842662
1323676554
1414cb40b0
15c783462
hex87d252a

142419242 has 8 divisors (see below), whose sum is σ = 244147296. Its totient is φ = 61036812.

The previous prime is 142419241. The next prime is 142419271. The reversal of 142419242 is 242914241.

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

It is not an unprimeable number, because it can be changed into a prime (142419241) 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, 5086388 + ... + 5086415.

It is an arithmetic number, because the mean of its divisors is an integer number (30518412).

Almost surely, 2142419242 is an apocalyptic number.

142419242 is a deficient number, since it is larger than the sum of its proper divisors (101728054).

142419242 is a wasteful number, since it uses less digits than its factorization.

142419242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172812.

The product of its digits is 4608, while the sum is 29.

The square root of 142419242 is about 11933.9533265385. The cubic root of 142419242 is about 522.2232741759.

The spelling of 142419242 in words is "one hundred forty-two million, four hundred nineteen thousand, two hundred forty-two".

Divisors: 1 2 7 14 10172803 20345606 71209621 142419242