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203330420 = 22535928319
BaseRepresentation
bin11000001111010…
…01001101110100
3112011121020220022
430013221031310
5404023033140
632102024312
75016165026
oct1407511564
9464536808
10203330420
11a4858177
1258118098
1333182177
141d00c016
1512cb60b5
hexc1e9374

203330420 has 24 divisors (see below), whose sum is σ = 428198400. Its totient is φ = 81102752.

The previous prime is 203330411. The next prime is 203330423. The reversal of 203330420 is 24033302.

203330420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203330423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6980 + ... + 21339.

It is an arithmetic number, because the mean of its divisors is an integer number (17841600).

Almost surely, 2203330420 is an apocalyptic number.

203330420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203330420 is an abundant number, since it is smaller than the sum of its proper divisors (224867980).

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

203330420 is a wasteful number, since it uses less digits than its factorization.

203330420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28687 (or 28685 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 203330420 is about 14259.3976029845. The cubic root of 203330420 is about 588.0317635979.

Adding to 203330420 its reverse (24033302), we get a palindrome (227363722).

The spelling of 203330420 in words is "two hundred three million, three hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 3590 7180 28319 56638 113276 141595 283190 566380 10166521 20333042 40666084 50832605 101665210 203330420