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2004221148 = 223167018429
BaseRepresentation
bin111011101110101…
…1111110011011100
312011200021222112220
41313131133303130
513101040034043
6530513225340
7100444412226
oct16735376334
95150258486
102004221148
11939370016
1247b262250
1325c2c4797
14150277416
15bae48483
hex7775fcdc

2004221148 has 12 divisors (see below), whose sum is σ = 4676516040. Its totient is φ = 668073712.

The previous prime is 2004221147. The next prime is 2004221161. The reversal of 2004221148 is 8411224002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004221147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83509203 + ... + 83509226.

It is an arithmetic number, because the mean of its divisors is an integer number (389709670).

Almost surely, 22004221148 is an apocalyptic number.

It is an amenable number.

2004221148 is an abundant number, since it is smaller than the sum of its proper divisors (2672294892).

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

2004221148 is a wasteful number, since it uses less digits than its factorization.

2004221148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167018436 (or 167018434 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 2004221148 is about 44768.5285440565. The cubic root of 2004221148 is about 1260.8068125676.

The spelling of 2004221148 in words is "two billion, four million, two hundred twenty-one thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 167018429 334036858 501055287 668073716 1002110574 2004221148