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4049030420 = 2251711908913
BaseRepresentation
bin1111000101010111…
…0100110100010100
3101110011222001112122
43301111310310110
531243022433140
61505440435112
7202224122261
oct36125646424
911404861478
104049030420
111798632536
12950018a98
134c6b2a6b6
142a5a78268
1518a70cab5
hexf1574d14

4049030420 has 24 divisors (see below), whose sum is σ = 9003138984. Its totient is φ = 1524340736.

The previous prime is 4049030413. The next prime is 4049030443. The reversal of 4049030420 is 240309404.

4049030420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 362597764 + 3686432656 = 19042^2 + 60716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4049030420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5954117 + ... + 5954796.

It is an arithmetic number, because the mean of its divisors is an integer number (375130791).

Almost surely, 24049030420 is an apocalyptic number.

It is an amenable number.

4049030420 is an abundant number, since it is smaller than the sum of its proper divisors (4954108564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4049030420 is a wasteful number, since it uses less digits than its factorization.

4049030420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11908939 (or 11908937 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4049030420 is about 63631.9921108871. The cubic root of 4049030420 is about 1593.8606420791.

Adding to 4049030420 its reverse (240309404), we get a palindrome (4289339824).

The spelling of 4049030420 in words is "four billion, forty-nine million, thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 11908913 23817826 47635652 59544565 119089130 202451521 238178260 404903042 809806084 1012257605 2024515210 4049030420