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2484684721 = 73215315809
BaseRepresentation
bin1001010000011001…
…0100011110110001
320102011101001200001
42110012110132301
520042034402341
61050315230001
7115400320531
oct22406243661
96364331601
102484684721
1110655a3452
12594148301
133079c945c
14197dc54c1
15e8202d31
hex941947b1

2484684721 has 8 divisors (see below), whose sum is σ = 2520050760. Its totient is φ = 2449354752.

The previous prime is 2484684673. The next prime is 2484684767. The reversal of 2484684721 is 1274864842.

It can be written as a sum of positive squares in 4 ways, for example, as 38887696 + 2445797025 = 6236^2 + 49455^2 .

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 2484684721 - 219 = 2484160433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2484684821) 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, 149265 + ... + 165073.

It is an arithmetic number, because the mean of its divisors is an integer number (315006345).

Almost surely, 22484684721 is an apocalyptic number.

It is an amenable number.

2484684721 is a deficient number, since it is larger than the sum of its proper divisors (35366039).

2484684721 is a wasteful number, since it uses less digits than its factorization.

2484684721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18035.

The product of its digits is 688128, while the sum is 46.

The square root of 2484684721 is about 49846.6119310029. The cubic root of 2484684721 is about 1354.4316586358.

The spelling of 2484684721 in words is "two billion, four hundred eighty-four million, six hundred eighty-four thousand, seven hundred twenty-one".

Divisors: 1 73 2153 15809 157169 1154057 34036777 2484684721