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2005722272 = 25431457647
BaseRepresentation
bin111011110001100…
…1110010010100000
312011210010020201002
41313203032102200
513101431103042
6531005331132
7100463233541
oct16743162240
95153106632
102005722272
1193a1a5914
1247b866aa8
1325c6cbb18
141505484c8
15bb143132
hex778ce4a0

2005722272 has 24 divisors (see below), whose sum is σ = 4040600256. Its totient is φ = 979538112.

The previous prime is 2005722269. The next prime is 2005722293. The reversal of 2005722272 is 2722275002.

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, 727448 + ... + 730199.

It is an arithmetic number, because the mean of its divisors is an integer number (168358344).

Almost surely, 22005722272 is an apocalyptic number.

It is an amenable number.

2005722272 is an abundant number, since it is smaller than the sum of its proper divisors (2034877984).

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

2005722272 is a wasteful number, since it uses less digits than its factorization.

2005722272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457700 (or 1457692 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 2005722272 is about 44785.2907995471. The cubic root of 2005722272 is about 1261.1215075552.

Adding to 2005722272 its reverse (2722275002), we get a palindrome (4727997274).

The spelling of 2005722272 in words is "two billion, five million, seven hundred twenty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 1457647 2915294 5830588 11661176 23322352 46644704 62678821 125357642 250715284 501430568 1002861136 2005722272