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142611467 = 182378229
BaseRepresentation
bin10001000000000…
…01010000001011
3100221100102011012
420200001100023
5243002031332
622052354135
73351114605
oct1040012013
9327312135
10142611467
1173556119
123b91594b
1323712bab
1414d24175
15c7c03b2
hex880140b

142611467 has 4 divisors (see below), whose sum is σ = 142691520. Its totient is φ = 142531416.

The previous prime is 142611461. The next prime is 142611479. The reversal of 142611467 is 764116241.

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 142611467 - 24 = 142611451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142611461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37292 + ... + 40937.

It is an arithmetic number, because the mean of its divisors is an integer number (35672880).

Almost surely, 2142611467 is an apocalyptic number.

142611467 is a deficient number, since it is larger than the sum of its proper divisors (80053).

142611467 is an equidigital number, since it uses as much as digits as its factorization.

142611467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80052.

The product of its digits is 8064, while the sum is 32.

The square root of 142611467 is about 11942.0043125097. The cubic root of 142611467 is about 522.4581189388.

The spelling of 142611467 in words is "one hundred forty-two million, six hundred eleven thousand, four hundred sixty-seven".

Divisors: 1 1823 78229 142611467