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142695275 = 525707811
BaseRepresentation
bin10001000000101…
…01101101101011
3100221111200010012
420200111231223
5243012222100
622054242135
73351614132
oct1040255553
9327450105
10142695275
1173603088
123b95634b
1323742098
1414d46919
15c7da135
hex8815b6b

142695275 has 6 divisors (see below), whose sum is σ = 176942172. Its totient is φ = 114156200.

The previous prime is 142695269. The next prime is 142695277. The reversal of 142695275 is 572596241.

It is not a de Polignac number, because 142695275 - 212 = 142691179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142695277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2853881 + ... + 2853930.

It is an arithmetic number, because the mean of its divisors is an integer number (29490362).

Almost surely, 2142695275 is an apocalyptic number.

142695275 is a deficient number, since it is larger than the sum of its proper divisors (34246897).

142695275 is an equidigital number, since it uses as much as digits as its factorization.

142695275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5707821 (or 5707816 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 142695275 is about 11945.5127558427. The cubic root of 142695275 is about 522.5604426312.

The spelling of 142695275 in words is "one hundred forty-two million, six hundred ninety-five thousand, two hundred seventy-five".

Divisors: 1 5 25 5707811 28539055 142695275