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142265434 = 2257276781
BaseRepresentation
bin10000111101011…
…00110001011010
3100220200211111011
420132230301122
5242404443214
622041124134
73345144013
oct1036546132
9326624434
10142265434
117333a143
123b78964a
132362153c
1414c7400a
15c752ac4
hex87acc5a

142265434 has 8 divisors (see below), whose sum is σ = 214229268. Its totient is φ = 70855680.

The previous prime is 142265429. The next prime is 142265437. The reversal of 142265434 is 434562241.

142265434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 89019225 + 53246209 = 9435^2 + 7297^2 .

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

It is a super-2 number, since 2×1422654342 = 40478907422416712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142265396 and 142265405.

It is not an unprimeable number, because it can be changed into a prime (142265437) 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, 137877 + ... + 138904.

Almost surely, 2142265434 is an apocalyptic number.

142265434 is a deficient number, since it is larger than the sum of its proper divisors (71963834).

142265434 is a wasteful number, since it uses less digits than its factorization.

142265434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277040.

The product of its digits is 23040, while the sum is 31.

The square root of 142265434 is about 11927.5074512658. The cubic root of 142265434 is about 522.0352119247.

The spelling of 142265434 in words is "one hundred forty-two million, two hundred sixty-five thousand, four hundred thirty-four".

Divisors: 1 2 257 514 276781 553562 71132717 142265434