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142714426 = 271357213
BaseRepresentation
bin10001000000110…
…10011000111010
3100221112122101111
420200122120322
5243013330201
622054510534
73352024021
oct1040323072
9327478344
10142714426
1173616508
123b96544a
132374aa0a
1414d4d8b8
15c7e0b51
hex881a63a

142714426 has 4 divisors (see below), whose sum is σ = 214071642. Its totient is φ = 71357212.

The previous prime is 142714409. The next prime is 142714427. The reversal of 142714426 is 624417241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93026025 + 49688401 = 9645^2 + 7049^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (142714427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35678605 + ... + 35678608.

Almost surely, 2142714426 is an apocalyptic number.

142714426 is a deficient number, since it is larger than the sum of its proper divisors (71357216).

142714426 is an equidigital number, since it uses as much as digits as its factorization.

142714426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71357215.

The product of its digits is 10752, while the sum is 31.

The square root of 142714426 is about 11946.3143270215. The cubic root of 142714426 is about 522.5838190356.

The spelling of 142714426 in words is "one hundred forty-two million, seven hundred fourteen thousand, four hundred twenty-six".

Divisors: 1 2 71357213 142714426