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2098280 = 23552457
BaseRepresentation
bin1000000000010001101000
310221121022002
420000101220
51014121110
6112550132
723556302
oct10002150
93847262
102098280
111203518
12852348
135860b2
143c8972
152b6aa5
hex200468

2098280 has 16 divisors (see below), whose sum is σ = 4721220. Its totient is φ = 839296.

The previous prime is 2098279. The next prime is 2098289. The reversal of 2098280 is 828902.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 188356 = 1382^2 + 434^2 .

It is not an unprimeable number, because it can be changed into a prime (2098289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26189 + ... + 26268.

22098280 is an apocalyptic number.

2098280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2098280 is an abundant number, since it is smaller than the sum of its proper divisors (2622940).

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

2098280 is a wasteful number, since it uses less digits than its factorization.

2098280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52468 (or 52464 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2098280 is about 1448.5440966709. The cubic root of 2098280 is about 128.0229451054.

The spelling of 2098280 in words is "two million, ninety-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 52457 104914 209828 262285 419656 524570 1049140 2098280