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2808968 = 23351121
BaseRepresentation
bin1010101101110010001000
312021201011212
422231302020
51204341333
6140112252
732606261
oct12556210
95251155
102808968
111649468
12b35688
13774716
14531968
153a7448
hex2adc88

2808968 has 8 divisors (see below), whose sum is σ = 5266830. Its totient is φ = 1404480.

The previous prime is 2808959. The next prime is 2808977. The reversal of 2808968 is 8698082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2808959) and next prime (2808977).

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 178084 = 1622^2 + 422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175553 + ... + 175568.

22808968 is an apocalyptic number.

It is an amenable number.

2808968 is a deficient number, since it is larger than the sum of its proper divisors (2457862).

2808968 is a wasteful number, since it uses less digits than its factorization.

2808968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351127 (or 351123 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 2808968 is about 1675.9976133635. The cubic root of 2808968 is about 141.0962908821.

The spelling of 2808968 in words is "two million, eight hundred eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 351121 702242 1404484 2808968