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142804329 = 391951797
BaseRepresentation
bin10001000001100…
…00010101101001
3100221201012201020
420200300111221
5243024214304
622100443053
73352550103
oct1040602551
9327635636
10142804329
1173678008
123b9a9489
132377c905
1414d74573
15c80c5d9
hex8830569

142804329 has 8 divisors (see below), whose sum is σ = 190616640. Its totient is φ = 95097456.

The previous prime is 142804253. The next prime is 142804331. The reversal of 142804329 is 923408241.

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

It is not a de Polignac number, because 142804329 - 220 = 141755753 is a prime.

It is a super-2 number, since 2×1428043292 = 40786152762280482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142804329.

It is not an unprimeable number, because it can be changed into a prime (142804229) 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, 23142 + ... + 28655.

It is an arithmetic number, because the mean of its divisors is an integer number (23827080).

Almost surely, 2142804329 is an apocalyptic number.

It is an amenable number.

142804329 is a deficient number, since it is larger than the sum of its proper divisors (47812311).

142804329 is an equidigital number, since it uses as much as digits as its factorization.

142804329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52719.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 142804329 is about 11950.0765269516. The cubic root of 142804329 is about 522.6935299514.

The spelling of 142804329 in words is "one hundred forty-two million, eight hundred four thousand, three hundred twenty-nine".

Divisors: 1 3 919 2757 51797 155391 47601443 142804329