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142858853 = 1983157577
BaseRepresentation
bin10001000001111…
…01101001100101
3100221210222111122
420200331221211
5243032440403
622101543325
73353165054
oct1040755145
9327728448
10142858853
1173704a75
123ba14b45
132379b687
1414d8a39b
15c81d838
hex883da65

142858853 has 16 divisors (see below), whose sum is σ = 153424320. Its totient is φ = 132627456.

The previous prime is 142858841. The next prime is 142858861. The reversal of 142858853 is 358858241.

It is a cyclic number.

It is not a de Polignac number, because 142858853 - 26 = 142858789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142858823) 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 15 ways as a sum of consecutive naturals, for example, 247301 + ... + 247877.

It is an arithmetic number, because the mean of its divisors is an integer number (9589020).

Almost surely, 2142858853 is an apocalyptic number.

It is an amenable number.

142858853 is a deficient number, since it is larger than the sum of its proper divisors (10565467).

142858853 is a wasteful number, since it uses less digits than its factorization.

142858853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its digits is 307200, while the sum is 44.

The square root of 142858853 is about 11952.3576335382. The cubic root of 142858853 is about 522.7600445449.

The spelling of 142858853 in words is "one hundred forty-two million, eight hundred fifty-eight thousand, eight hundred fifty-three".

Divisors: 1 19 83 157 577 1577 2983 10963 13031 47891 90589 247589 909929 1721191 7518887 142858853