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2302240 = 25514389
BaseRepresentation
bin1000110010000100100000
311022222002011
420302010200
51042132430
6121202304
725366033
oct10620440
94288064
102302240
111332786
12930394
13627b95
1443d01a
1530722a
hex232120

2302240 has 24 divisors (see below), whose sum is σ = 5439420. Its totient is φ = 920832.

The previous prime is 2302229. The next prime is 2302243. The reversal of 2302240 is 422032.

2302240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2226064 + 76176 = 1492^2 + 276^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2302240.

It is not an unprimeable number, because it can be changed into a prime (2302243) 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, 7035 + ... + 7354.

22302240 is an apocalyptic number.

2302240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302240 is an abundant number, since it is smaller than the sum of its proper divisors (3137180).

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

2302240 is a wasteful number, since it uses less digits than its factorization.

2302240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14404 (or 14396 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2302240 is about 1517.3134152178. The cubic root of 2302240 is about 132.0434506483.

Adding to 2302240 its reverse (422032), we get a palindrome (2724272).

The spelling of 2302240 in words is "two million, three hundred two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 14389 28778 57556 71945 115112 143890 230224 287780 460448 575560 1151120 2302240