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2002238420 = 2257131100131
BaseRepresentation
bin111011101010111…
…1011101111010100
312011112120020202112
41313111323233110
513100033112140
6530402530152
7100421513540
oct16725735724
95145506675
102002238420
119382363a6
1247a666958
1325ba7c180
1414dcbca20
15baba5c65
hex7757bbd4

2002238420 has 48 divisors (see below), whose sum is σ = 5175020928. Its totient is φ = 633674880.

The previous prime is 2002238417. The next prime is 2002238467. The reversal of 2002238420 is 248322002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548246 + ... + 551885.

It is an arithmetic number, because the mean of its divisors is an integer number (107812936).

Almost surely, 22002238420 is an apocalyptic number.

2002238420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002238420 is an abundant number, since it is smaller than the sum of its proper divisors (3172782508).

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

2002238420 is a wasteful number, since it uses less digits than its factorization.

2002238420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100160 (or 1100158 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2002238420 is about 44746.3788479023. The cubic root of 2002238420 is about 1260.3909133926.

The spelling of 2002238420 in words is "two billion, two million, two hundred thirty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 1100131 2200262 4400524 5500655 7700917 11001310 14301703 15401834 22002620 28603406 30803668 38504585 57206812 71508515 77009170 100111921 143017030 154018340 200223842 286034060 400447684 500559605 1001119210 2002238420