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203425340 = 22523442229
BaseRepresentation
bin11000010000000…
…00011000111100
3112011210002002212
430020000120330
5404034102330
632104035552
75020041536
oct1410003074
9464702085
10203425340
11a4912518
1258162bb8
13331b6431
141d034856
1512cd4295
hexc20063c

203425340 has 24 divisors (see below), whose sum is σ = 445767840. Its totient is φ = 77832128.

The previous prime is 203425331. The next prime is 203425351. The reversal of 203425340 is 43524302.

203425340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220655 + ... + 221574.

It is an arithmetic number, because the mean of its divisors is an integer number (18573660).

Almost surely, 2203425340 is an apocalyptic number.

203425340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203425340 is an abundant number, since it is smaller than the sum of its proper divisors (242342500).

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

203425340 is a wasteful number, since it uses less digits than its factorization.

203425340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442261 (or 442259 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 203425340 is about 14262.7255459817. The cubic root of 203425340 is about 588.1232522724.

Adding to 203425340 its reverse (43524302), we get a palindrome (246949642).

The spelling of 203425340 in words is "two hundred three million, four hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 442229 884458 1768916 2211145 4422290 8844580 10171267 20342534 40685068 50856335 101712670 203425340