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142427555 = 529233871
BaseRepresentation
bin10000111110101…
…00010110100011
3100221000001212122
420133110112203
5242430140210
622044414455
73346420454
oct1037242643
9327001778
10142427555
117343aa26
123b84742b
132367a27a
1414cb712b
15c785b55
hex87d45a3

142427555 has 12 divisors (see below), whose sum is σ = 177015072. Its totient is φ = 110009760.

The previous prime is 142427543. The next prime is 142427561. The reversal of 142427555 is 555724241.

142427555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-142427555 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12731 + ... + 21140.

It is an arithmetic number, because the mean of its divisors is an integer number (14751256).

Almost surely, 2142427555 is an apocalyptic number.

142427555 is a deficient number, since it is larger than the sum of its proper divisors (34587517).

142427555 is an equidigital number, since it uses as much as digits as its factorization.

142427555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33934 (or 33905 counting only the distinct ones).

The product of its digits is 56000, while the sum is 35.

The square root of 142427555 is about 11934.3016134167. The cubic root of 142427555 is about 522.2334346888.

The spelling of 142427555 in words is "one hundred forty-two million, four hundred twenty-seven thousand, five hundred fifty-five".

Divisors: 1 5 29 145 841 4205 33871 169355 982259 4911295 28485511 142427555