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2208994 = 210910133
BaseRepresentation
bin1000011011010011100010
311011020011121
420123103202
51031141434
6115202454
724530134
oct10332342
94136147
102208994
111279717
128a642a
135c45c8
14417054
152d97b4
hex21b4e2

2208994 has 8 divisors (see below), whose sum is σ = 3344220. Its totient is φ = 1094256.

The previous prime is 2208991. The next prime is 2209001. The reversal of 2208994 is 4998022.

It can be written as a sum of positive squares in 2 ways, for example, as 2059225 + 149769 = 1435^2 + 387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2208991) 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, 4849 + ... + 5284.

22208994 is an apocalyptic number.

2208994 is a deficient number, since it is larger than the sum of its proper divisors (1135226).

2208994 is a wasteful number, since it uses less digits than its factorization.

2208994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2208994 is about 1486.2684818027. The cubic root of 2208994 is about 130.2361388526.

The spelling of 2208994 in words is "two million, two hundred eight thousand, nine hundred ninety-four".

Divisors: 1 2 109 218 10133 20266 1104497 2208994