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2828260 = 225141413
BaseRepresentation
bin1010110010011111100100
312022200122101
422302133210
51211001020
6140341444
733016441
oct12623744
95280571
102828260
111661a06
12b44884
13780436
145389c8
153ad00a
hex2b27e4

2828260 has 12 divisors (see below), whose sum is σ = 5939388. Its totient is φ = 1131296.

The previous prime is 2828257. The next prime is 2828281. The reversal of 2828260 is 628282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1700416 + 1127844 = 1304^2 + 1062^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70687 + ... + 70726.

It is an arithmetic number, because the mean of its divisors is an integer number (494949).

22828260 is an apocalyptic number.

2828260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2828260 is an abundant number, since it is smaller than the sum of its proper divisors (3111128).

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

2828260 is a wasteful number, since it uses less digits than its factorization.

2828260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141422 (or 141420 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2828260 is about 1681.7431432891. The cubic root of 2828260 is about 141.4185707700.

The spelling of 2828260 in words is "two million, eight hundred twenty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 141413 282826 565652 707065 1414130 2828260