Search a number
-
+
203228597 = 11132236373
BaseRepresentation
bin11000001110100…
…00010110110101
3112011102002020002
430013100112311
5404011303342
632055521045
75015262125
oct1407202665
9464362202
10203228597
11a4798720
1258089185
1333147a10
141cdc2c85
1512c95d32
hexc1d05b5

203228597 has 16 divisors (see below), whose sum is σ = 239866368. Its totient is φ = 169750080.

The previous prime is 203228587. The next prime is 203228629. The reversal of 203228597 is 795822302.

It is a cyclic number.

It is not a de Polignac number, because 203228597 - 24 = 203228581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203228597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203228507) 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 15 ways as a sum of consecutive naturals, for example, 28703 + ... + 35075.

It is an arithmetic number, because the mean of its divisors is an integer number (14991648).

Almost surely, 2203228597 is an apocalyptic number.

It is an amenable number.

203228597 is a deficient number, since it is larger than the sum of its proper divisors (36637771).

203228597 is a wasteful number, since it uses less digits than its factorization.

203228597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 203228597 is about 14255.8267736389. The cubic root of 203228597 is about 587.9335898049.

The spelling of 203228597 in words is "two hundred three million, two hundred twenty-eight thousand, five hundred ninety-seven".

Divisors: 1 11 13 143 223 2453 2899 6373 31889 70103 82849 911339 1421179 15632969 18475327 203228597