Search a number
-
+
142124342 = 2220332257
BaseRepresentation
bin10000111100010…
…10010100110110
3100220102122221112
420132022110312
5242340434332
622034115022
73344015453
oct1036122466
9326378845
10142124342
1173253138
123b71ba72
13235a2259
1414c3882a
15c725db2
hex878a536

142124342 has 8 divisors (see below), whose sum is σ = 213289896. Its totient is φ = 71027712.

The previous prime is 142124293. The next prime is 142124347. The reversal of 142124342 is 243421241.

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 (142124347) 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, 11723 + ... + 20534.

It is an arithmetic number, because the mean of its divisors is an integer number (26661237).

Almost surely, 2142124342 is an apocalyptic number.

142124342 is a deficient number, since it is larger than the sum of its proper divisors (71165554).

142124342 is a wasteful number, since it uses less digits than its factorization.

142124342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34462.

The product of its digits is 1536, while the sum is 23.

The square root of 142124342 is about 11921.5914206116. The cubic root of 142124342 is about 521.8625783889.

Adding to 142124342 its reverse (243421241), we get a palindrome (385545583).

The spelling of 142124342 in words is "one hundred forty-two million, one hundred twenty-four thousand, three hundred forty-two".

Divisors: 1 2 2203 4406 32257 64514 71062171 142124342