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142435298 = 2292455781
BaseRepresentation
bin10000111110101…
…10001111100010
3100221000110111102
420133112033202
5242430412143
622044514402
73346452155
oct1037261742
9327013442
10142435298
1173445825
123b84ba02
1323680955
1414cb9c9c
15c7880b8
hex87d63e2

142435298 has 8 divisors (see below), whose sum is σ = 221020380. Its totient is φ = 68761840.

The previous prime is 142435291. The next prime is 142435309. The reversal of 142435298 is 892534241.

It can be written as a sum of positive squares in 2 ways, for example, as 142396489 + 38809 = 11933^2 + 197^2 .

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 (142435291) 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, 1227833 + ... + 1227948.

Almost surely, 2142435298 is an apocalyptic number.

142435298 is a deficient number, since it is larger than the sum of its proper divisors (78585082).

142435298 is a wasteful number, since it uses less digits than its factorization.

142435298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455812.

The product of its digits is 69120, while the sum is 38.

The square root of 142435298 is about 11934.6260100600. The cubic root of 142435298 is about 522.2428981670.

The spelling of 142435298 in words is "one hundred forty-two million, four hundred thirty-five thousand, two hundred ninety-eight".

Divisors: 1 2 29 58 2455781 4911562 71217649 142435298