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2530838473 = 18113982533
BaseRepresentation
bin1001011011011001…
…1000011111001001
320112101012220201021
42112312120133021
520140343312343
61055044352441
7116500525552
oct22666303711
96471186637
102530838473
111089657449
125a76a5721
13314438c77
141a019b329
15ec2bd0ed
hex96d987c9

2530838473 has 4 divisors (see below), whose sum is σ = 2544821188. Its totient is φ = 2516855760.

The previous prime is 2530838449. The next prime is 2530838483. The reversal of 2530838473 is 3748380352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1041804729 + 1489033744 = 32277^2 + 38588^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530838473 - 217 = 2530707401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530838413) 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 3 ways as a sum of consecutive naturals, for example, 6991086 + ... + 6991447.

It is an arithmetic number, because the mean of its divisors is an integer number (636205297).

Almost surely, 22530838473 is an apocalyptic number.

It is an amenable number.

2530838473 is a deficient number, since it is larger than the sum of its proper divisors (13982715).

2530838473 is a wasteful number, since it uses less digits than its factorization.

2530838473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13982714.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 2530838473 is about 50307.4395392968. The cubic root of 2530838473 is about 1362.7665844053.

The spelling of 2530838473 in words is "two billion, five hundred thirty million, eight hundred thirty-eight thousand, four hundred seventy-three".

Divisors: 1 181 13982533 2530838473