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142858873 = 148396331
BaseRepresentation
bin10001000001111…
…01101001111001
3100221210222112101
420200331221321
5243032440443
622101543401
73353165113
oct1040755171
9327728471
10142858873
1173704a93
123ba14b61
132379b6a1
1414d8a3b3
15c81d84d
hex883da79

142858873 has 4 divisors (see below), whose sum is σ = 142956688. Its totient is φ = 142761060.

The previous prime is 142858867. The next prime is 142858879. The reversal of 142858873 is 378858241.

142858873 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (142858867) and next prime (142858879).

It is a cyclic number.

It is not a de Polignac number, because 142858873 - 25 = 142858841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142858879) 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, 46683 + ... + 49648.

It is an arithmetic number, because the mean of its divisors is an integer number (35739172).

Almost surely, 2142858873 is an apocalyptic number.

It is an amenable number.

142858873 is a deficient number, since it is larger than the sum of its proper divisors (97815).

142858873 is an equidigital number, since it uses as much as digits as its factorization.

142858873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97814.

The product of its digits is 430080, while the sum is 46.

The square root of 142858873 is about 11952.3584701932. The cubic root of 142858873 is about 522.7600689401.

The spelling of 142858873 in words is "one hundred forty-two million, eight hundred fifty-eight thousand, eight hundred seventy-three".

Divisors: 1 1483 96331 142858873