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203228350 = 25213734283
BaseRepresentation
bin11000001110100…
…00010010111110
3112011102001212221
430013100102332
5404011301400
632055515554
75015261323
oct1407202276
9464361787
10203228350
11a4798516
1258088bba
1333147880
141cdc2b4a
1512c95c1a
hexc1d04be

203228350 has 48 divisors (see below), whose sum is σ = 412754832. Its totient is φ = 73992960.

The previous prime is 203228339. The next prime is 203228359. The reversal of 203228350 is 53822302.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203228359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45309 + ... + 49591.

It is an arithmetic number, because the mean of its divisors is an integer number (8599059).

Almost surely, 2203228350 is an apocalyptic number.

203228350 is an abundant number, since it is smaller than the sum of its proper divisors (209526482).

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

203228350 is a wasteful number, since it uses less digits than its factorization.

203228350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381 (or 4376 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 203228350 is about 14255.8181105119. The cubic root of 203228350 is about 587.9333516172.

The spelling of 203228350 in words is "two hundred three million, two hundred twenty-eight thousand, three hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 73 130 146 325 365 650 730 949 1825 1898 3650 4283 4745 8566 9490 21415 23725 42830 47450 55679 107075 111358 214150 278395 312659 556790 625318 1391975 1563295 2783950 3126590 4064567 7816475 8129134 15632950 20322835 40645670 101614175 203228350