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2798868 = 223233239
BaseRepresentation
bin1010101011010100010100
312021012022210
422223110110
51204030433
6135553420
732534652
oct12532424
95235283
102798868
111641916
12b2b870
1376cc47
1452bdd2
153a4463
hex2ab514

2798868 has 12 divisors (see below), whose sum is σ = 6530720. Its totient is φ = 932952.

The previous prime is 2798867. The next prime is 2798869. The reversal of 2798868 is 8688972.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2798867) and next prime (2798869).

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

It is a d-powerful number, because it can be written as 22 + 77 + 93 + 82 + 85 + 68 + 86 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798867) 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, 116608 + ... + 116631.

22798868 is an apocalyptic number.

It is an amenable number.

2798868 is an abundant number, since it is smaller than the sum of its proper divisors (3731852).

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

2798868 is a wasteful number, since it uses less digits than its factorization.

2798868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233246 (or 233244 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 2798868 is about 1672.9817691774. The cubic root of 2798868 is about 140.9269779330.

The spelling of 2798868 in words is "two million, seven hundred ninety-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 233239 466478 699717 932956 1399434 2798868