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142528627 = 1297109891
BaseRepresentation
bin10000111111011…
…01000001110011
3100221012012112001
420133231001303
5242441404002
622050514431
73350321233
oct1037550163
9327165461
10142528627
11734a995a
123b895a17
13236b4287
1414d01cc3
15c7a5a87
hex87ed073

142528627 has 4 divisors (see below), whose sum is σ = 142639816. Its totient is φ = 142417440.

The previous prime is 142528583. The next prime is 142528637. The reversal of 142528627 is 726825241.

It is a happy number.

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 142528627 - 27 = 142528499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142528637) 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, 53649 + ... + 56242.

It is an arithmetic number, because the mean of its divisors is an integer number (35659954).

Almost surely, 2142528627 is an apocalyptic number.

142528627 is a deficient number, since it is larger than the sum of its proper divisors (111189).

142528627 is a wasteful number, since it uses less digits than its factorization.

142528627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111188.

The product of its digits is 53760, while the sum is 37.

The square root of 142528627 is about 11938.5353791828. The cubic root of 142528627 is about 522.3569377028.

The spelling of 142528627 in words is "one hundred forty-two million, five hundred twenty-eight thousand, six hundred twenty-seven".

Divisors: 1 1297 109891 142528627