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142260426 = 232721123143
BaseRepresentation
bin10000111101010…
…11100011001010
3100220200120121200
420132223203022
5242404313201
622041045030
73345123300
oct1036534312
9326616550
10142260426
1173336400
123b786776
132361c189
1414c72270
15c751386
hex87ab8ca

142260426 has 216 divisors, whose sum is σ = 416287872. Its totient is φ = 34927200.

The previous prime is 142260361. The next prime is 142260431. The reversal of 142260426 is 624062241.

142260426 is a `hidden beast` number, since 14 + 22 + 604 + 26 = 666.

142260426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142260426.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3308361 + ... + 3308403.

Almost surely, 2142260426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142260426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208143936).

142260426 is an abundant number, since it is smaller than the sum of its proper divisors (274027446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142260426 is a wasteful number, since it uses less digits than its factorization.

142260426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 142260426 is about 11927.2975145252. The cubic root of 142260426 is about 522.0290863257.

The spelling of 142260426 in words is "one hundred forty-two million, two hundred sixty thousand, four hundred twenty-six".