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2288864484 = 223273870953
BaseRepresentation
bin1000100001101101…
…0100110011100100
312220111220100210200
42020123110303210
514141422130414
61015042150500
7110502012204
oct21033246344
95814810720
102288864484
11a75005845
1253a652430
132a62767aa
14179db0404
15d5e22109
hex886d4ce4

2288864484 has 36 divisors (see below), whose sum is σ = 5865004236. Its totient is φ = 752502528.

The previous prime is 2288864471. The next prime is 2288864503. The reversal of 2288864484 is 4844688822.

2288864484 is a `hidden beast` number, since 2 + 2 + 88 + 86 + 4 + 484 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 922822884 + 1366041600 = 30378^2 + 36960^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22888644842 = 10477801252233172512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2288864484.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432849 + ... + 438104.

Almost surely, 22288864484 is an apocalyptic number.

It is an amenable number.

2288864484 is an abundant number, since it is smaller than the sum of its proper divisors (3576139752).

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

2288864484 is a wasteful number, since it uses less digits than its factorization.

2288864484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871036 (or 871031 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 54.

The square root of 2288864484 is about 47842.0785919676. The cubic root of 2288864484 is about 1317.8723920718.

The spelling of 2288864484 in words is "two billion, two hundred eighty-eight million, eight hundred sixty-four thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 870953 1741906 2612859 3483812 5225718 7838577 10451436 15677154 31354308 63579569 127159138 190738707 254318276 381477414 572216121 762954828 1144432242 2288864484