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2445002420 = 225721118273
BaseRepresentation
bin1001000110111011…
…1100011010110100
320022101200222210012
42101232330122310
520001410034140
61042340515352
7114406114640
oct22156743264
96271628705
102445002420
11104515a563
125829abb58
132cc7143c3
14192a15c20
15e49b5265
hex91bbc6b4

2445002420 has 48 divisors (see below), whose sum is σ = 5871495168. Its totient is φ = 837788160.

The previous prime is 2445002377. The next prime is 2445002429. The reversal of 2445002420 is 242005442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445002429) 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 15 ways as a sum of consecutive naturals, for example, 291404 + ... + 299676.

It is an arithmetic number, because the mean of its divisors is an integer number (122322816).

Almost surely, 22445002420 is an apocalyptic number.

2445002420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445002420 is an abundant number, since it is smaller than the sum of its proper divisors (3426492748).

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

2445002420 is a wasteful number, since it uses less digits than its factorization.

2445002420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400 (or 10398 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2445002420 is about 49446.9657309728. The cubic root of 2445002420 is about 1347.1824951285.

Adding to 2445002420 its reverse (242005442), we get a palindrome (2687007862).

The spelling of 2445002420 in words is "two billion, four hundred forty-five million, two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2111 4222 8273 8444 10555 14777 16546 21110 29554 33092 41365 42220 57911 59108 73885 82730 115822 147770 165460 231644 289555 295540 579110 1158220 17464303 34928606 69857212 87321515 122250121 174643030 244500242 349286060 489000484 611250605 1222501210 2445002420