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142718241 = 3536713397
BaseRepresentation
bin10001000000110…
…11010100100001
3100221112211121210
420200123110201
5243013440431
622054540333
73352041111
oct1040332441
9327484553
10142718241
1173619366
123b9676a9
132374c683
1414d51041
15c7e1d46
hex881b521

142718241 has 16 divisors (see below), whose sum is σ = 196789824. Its totient is φ = 91950144.

The previous prime is 142718239. The next prime is 142718267. The reversal of 142718241 is 142817241.

It is not a de Polignac number, because 142718241 - 21 = 142718239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142718199 and 142718208.

It is not an unprimeable number, because it can be changed into a prime (142718201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3955 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (12299364).

Almost surely, 2142718241 is an apocalyptic number.

It is an amenable number.

142718241 is a deficient number, since it is larger than the sum of its proper divisors (54071583).

142718241 is a wasteful number, since it uses less digits than its factorization.

142718241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13520.

The product of its digits is 3584, while the sum is 30.

The square root of 142718241 is about 11946.4739986324. The cubic root of 142718241 is about 522.5884755130.

The spelling of 142718241 in words is "one hundred forty-two million, seven hundred eighteen thousand, two hundred forty-one".

Divisors: 1 3 53 67 159 201 3551 10653 13397 40191 710041 897599 2130123 2692797 47572747 142718241