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2628888 = 233109537
BaseRepresentation
bin1010000001110100011000
311221120011020
422001310120
51133111023
6132202440
731226253
oct12016430
94846136
102628888
111536139
12a69420
13710772
144c609a
1536dde3
hex281d18

2628888 has 16 divisors (see below), whose sum is σ = 6572280. Its totient is φ = 876288.

The previous prime is 2628839. The next prime is 2628889. The reversal of 2628888 is 8888262.

It is a super-2 number, since 2×26288882 = 13822104233088, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 211 + 64 + 221 + 8 + 84 + 86 + 86 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628889) 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, 54745 + ... + 54792.

22628888 is an apocalyptic number.

It is an amenable number.

2628888 is an abundant number, since it is smaller than the sum of its proper divisors (3943392).

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

2628888 is a wasteful number, since it uses less digits than its factorization.

2628888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109546 (or 109542 counting only the distinct ones).

The product of its digits is 98304, while the sum is 42.

The square root of 2628888 is about 1621.3845934879. The cubic root of 2628888 is about 138.0142812357.

The spelling of 2628888 in words is "two million, six hundred twenty-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 109537 219074 328611 438148 657222 876296 1314444 2628888