Search a number
-
+
203204012 = 221121921163
BaseRepresentation
bin11000001110010…
…10010110101100
3112011100211111112
430013022112230
5404010012022
632055211152
75015130344
oct1407122654
9464324445
10203204012
11a4781200
1258076ab8
133313977b
141cdb7d24
1512c8d8e2
hexc1ca5ac

203204012 has 54 divisors (see below), whose sum is σ = 412883604. Its totient is φ = 87428880.

The previous prime is 203203991. The next prime is 203204033. The reversal of 203204012 is 210402302.

It is an interprime number because it is at equal distance from previous prime (203203991) and next prime (203204033).

It is a super-2 number, since 2×2032040122 = 82583740985792288, which contains 22 as substring.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 174143 + ... + 175305.

Almost surely, 2203204012 is an apocalyptic number.

203204012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203204012 is an abundant number, since it is smaller than the sum of its proper divisors (209679592).

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

203204012 is a wasteful number, since it uses less digits than its factorization.

203204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 203204012 is about 14254.9644685632. The cubic root of 203204012 is about 587.9098809857.

Adding to 203204012 its reverse (210402302), we get a palindrome (413606314).

The spelling of 203204012 in words is "two hundred three million, two hundred four thousand, twelve".

Divisors: 1 2 4 11 19 22 38 44 76 121 209 242 361 418 484 722 836 1163 1444 2299 2326 3971 4598 4652 7942 9196 12793 15884 22097 25586 43681 44194 51172 87362 88388 140723 174724 243067 281446 419843 486134 562892 839686 972268 1679372 2673737 4618273 5347474 9236546 10694948 18473092 50801003 101602006 203204012