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142843115 = 573391351
BaseRepresentation
bin10001000001110…
…01110011101011
3100221210011220202
420200321303223
5243031434430
622101342415
73353101142
oct1040716353
9327704822
10142843115
11736a4168
123ba07a0b
132379446c
1414d84759
15c818d45
hex8839ceb

142843115 has 8 divisors (see below), whose sum is σ = 173760288. Its totient is φ = 112708800.

The previous prime is 142843111. The next prime is 142843117. The reversal of 142843115 is 511348241.

142843115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142843115 - 22 = 142843111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142843111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195311 + ... + 196040.

It is an arithmetic number, because the mean of its divisors is an integer number (21720036).

Almost surely, 2142843115 is an apocalyptic number.

142843115 is a deficient number, since it is larger than the sum of its proper divisors (30917173).

142843115 is an equidigital number, since it uses as much as digits as its factorization.

142843115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391429.

The product of its digits is 3840, while the sum is 29.

The square root of 142843115 is about 11951.6992515709. The cubic root of 142843115 is about 522.7408472754.

The spelling of 142843115 in words is "one hundred forty-two million, eight hundred forty-three thousand, one hundred fifteen".

Divisors: 1 5 73 365 391351 1956755 28568623 142843115