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1429670813 = 5389303089
BaseRepresentation
bin101010100110111…
…0000101110011101
310200122011210122212
41111031300232131
510411443431223
6353510450205
750300000324
oct12515605635
93618153585
101429670813
1167401492a
1233a963965
1319a26997c
14d7c370bb
15857a6278
hex55370b9d

1429670813 has 8 divisors (see below), whose sum is σ = 1473017400. Its totient is φ = 1386930688.

The previous prime is 1429670791. The next prime is 1429670819. The reversal of 1429670813 is 3180769241.

It can be written as a sum of positive squares in 4 ways, for example, as 6646084 + 1423024729 = 2578^2 + 37723^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1429670813 - 222 = 1425476509 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 (1429670819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146828 + ... + 156261.

It is an arithmetic number, because the mean of its divisors is an integer number (184127175).

Almost surely, 21429670813 is an apocalyptic number.

It is an amenable number.

1429670813 is a deficient number, since it is larger than the sum of its proper divisors (43346587).

1429670813 is an equidigital number, since it uses as much as digits as its factorization.

1429670813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303231.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1429670813 is about 37810.9879929102. The cubic root of 1429670813 is about 1126.5367148862.

The spelling of 1429670813 in words is "one billion, four hundred twenty-nine million, six hundred seventy thousand, eight hundred thirteen".

Divisors: 1 53 89 4717 303089 16063717 26974921 1429670813