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203441320 = 2355086033
BaseRepresentation
bin11000010000001…
…00010010101000
3112011210220000201
430020010102220
5404040110240
632104241544
75020136245
oct1410042250
9464726021
10203441320
11a4923525
12581702b4
13331c07a4
141d03a5cc
1512cd8d9a
hexc2044a8

203441320 has 16 divisors (see below), whose sum is σ = 457743060. Its totient is φ = 81376512.

The previous prime is 203441317. The next prime is 203441321. The reversal of 203441320 is 23144302.

It can be written as a sum of positive squares in 2 ways, for example, as 202948516 + 492804 = 14246^2 + 702^2 .

It is not an unprimeable number, because it can be changed into a prime (203441321) 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, 2542977 + ... + 2543056.

Almost surely, 2203441320 is an apocalyptic number.

203441320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203441320 is an abundant number, since it is smaller than the sum of its proper divisors (254301740).

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

203441320 is a wasteful number, since it uses less digits than its factorization.

203441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086044 (or 5086040 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203441320 is about 14263.2857364634. The cubic root of 203441320 is about 588.1386518017.

Adding to 203441320 its reverse (23144302), we get a palindrome (226585622).

The spelling of 203441320 in words is "two hundred three million, four hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5086033 10172066 20344132 25430165 40688264 50860330 101720660 203441320