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1423488813 = 34311034797
BaseRepresentation
bin101010011011000…
…1011011100101101
310200012112201112220
41110312023130231
510403403120223
6353130145553
750163312105
oct12466133455
93605481486
101423488813
1167058223a
123388822b9
13198bb3b96
14d70a8205
1584e846e3
hex54d8b72d

1423488813 has 8 divisors (see below), whose sum is σ = 1942124448. Its totient is φ = 926922864.

The previous prime is 1423488779. The next prime is 1423488839. The reversal of 1423488813 is 3188843241.

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

It is not a de Polignac number, because 1423488813 - 221 = 1421391661 is a prime.

It is a super-3 number, since 3×14234888133 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423488613) 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, 5517270 + ... + 5517527.

It is an arithmetic number, because the mean of its divisors is an integer number (242765556).

Almost surely, 21423488813 is an apocalyptic number.

It is an amenable number.

1423488813 is a deficient number, since it is larger than the sum of its proper divisors (518635635).

1423488813 is a wasteful number, since it uses less digits than its factorization.

1423488813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11034843.

The product of its digits is 147456, while the sum is 42.

The square root of 1423488813 is about 37729.1507060522. The cubic root of 1423488813 is about 1124.9106267767.

The spelling of 1423488813 in words is "one billion, four hundred twenty-three million, four hundred eighty-eight thousand, eight hundred thirteen".

Divisors: 1 3 43 129 11034797 33104391 474496271 1423488813