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2208008 = 231122281
BaseRepresentation
bin1000011011000100001000
311011011211002
420123010020
51031124013
6115154132
724524225
oct10330410
94134732
102208008
111278a00
128a5948
135c401a
1441694c
152d9358
hex21b108

2208008 has 24 divisors (see below), whose sum is σ = 4552590. Its totient is φ = 1003200.

The previous prime is 2207993. The next prime is 2208053. The reversal of 2208008 is 8008022.

It can be written as a sum of positive squares in only one way, i.e., 1800964 + 407044 = 1342^2 + 638^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173 + ... + 2108.

22208008 is an apocalyptic number.

It is an amenable number.

2208008 is an abundant number, since it is smaller than the sum of its proper divisors (2344582).

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

2208008 is a wasteful number, since it uses less digits than its factorization.

2208008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2208008 is about 1485.9367415876. The cubic root of 2208008 is about 130.2167586968.

It can be divided in two parts, 220 and 8008, that added together give a palindrome (8228).

The spelling of 2208008 in words is "two million, two hundred eight thousand, eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 2281 4562 9124 18248 25091 50182 100364 200728 276001 552002 1104004 2208008