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203244404 = 221137131953
BaseRepresentation
bin11000001110101…
…00001101110100
3112011102212220112
430013110031310
5404012310104
632100122152
75015356166
oct1407241564
9464385815
10203244404
11a47a9590
1258096358
1333151c7c
141cdc8936
1512c9a86e
hexc1d4374

203244404 has 48 divisors (see below), whose sum is σ = 401962176. Its totient is φ = 89107200.

The previous prime is 203244373. The next prime is 203244407. The reversal of 203244404 is 404442302.

It is a self number, because there is not a number n which added to its sum of digits gives 203244404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203244407) 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, 212792 + ... + 213744.

It is an arithmetic number, because the mean of its divisors is an integer number (8374212).

Almost surely, 2203244404 is an apocalyptic number.

It is an amenable number.

203244404 is a deficient number, since it is larger than the sum of its proper divisors (198717772).

203244404 is a wasteful number, since it uses less digits than its factorization.

203244404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 203244404 is about 14256.3811677438. The cubic root of 203244404 is about 587.9488324519.

Adding to 203244404 its reverse (404442302), we get a palindrome (607686706).

The spelling of 203244404 in words is "two hundred three million, two hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 11 22 37 44 74 131 148 262 407 524 814 953 1441 1628 1906 2882 3812 4847 5764 9694 10483 19388 20966 35261 41932 53317 70522 106634 124843 141044 213268 249686 387871 499372 775742 1373273 1551484 2746546 4619191 5493092 9238382 18476764 50811101 101622202 203244404