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2440421020 = 225122021051
BaseRepresentation
bin1001000101110101…
…1101111010011100
320022002002020021201
42101131131322130
514444221433040
61042054405244
7114322144042
oct22135357234
96262066251
102440421020
111042610484
12581360824
132cb79c00b
14192182392
15e43aca9a
hex9175de9c

2440421020 has 12 divisors (see below), whose sum is σ = 5124884184. Its totient is φ = 976168400.

The previous prime is 2440420999. The next prime is 2440421051. The reversal of 2440421020 is 201240442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61010506 + ... + 61010545.

It is an arithmetic number, because the mean of its divisors is an integer number (427073682).

Almost surely, 22440421020 is an apocalyptic number.

2440421020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440421020 is an abundant number, since it is smaller than the sum of its proper divisors (2684463164).

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

2440421020 is a wasteful number, since it uses less digits than its factorization.

2440421020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122021060 (or 122021058 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2440421020 is about 49400.6176074753. The cubic root of 2440421020 is about 1346.3405271980.

Adding to 2440421020 its reverse (201240442), we get a palindrome (2641661462).

The spelling of 2440421020 in words is "two billion, four hundred forty million, four hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 122021051 244042102 488084204 610105255 1220210510 2440421020