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142508335 = 528501667
BaseRepresentation
bin10000111111010…
…00000100101111
3100221011011200111
420133220010233
5242440231320
622050240451
73350205124
oct1037500457
9327134614
10142508335
1173495692
123b886127
13236a7c78
1414cd874b
15c79ea5a
hex87e812f

142508335 has 4 divisors (see below), whose sum is σ = 171010008. Its totient is φ = 114006664.

The previous prime is 142508309. The next prime is 142508339. The reversal of 142508335 is 533805241.

142508335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142508335 - 225 = 108953903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142508297 and 142508306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142508339) 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, 14250829 + ... + 14250838.

It is an arithmetic number, because the mean of its divisors is an integer number (42752502).

Almost surely, 2142508335 is an apocalyptic number.

142508335 is a deficient number, since it is larger than the sum of its proper divisors (28501673).

142508335 is an equidigital number, since it uses as much as digits as its factorization.

142508335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28501672.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 142508335 is about 11937.6854959410. The cubic root of 142508335 is about 522.3321469636.

The spelling of 142508335 in words is "one hundred forty-two million, five hundred eight thousand, three hundred thirty-five".

Divisors: 1 5 28501667 142508335