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203003241 = 379666821
BaseRepresentation
bin11000001100110…
…01010101101001
3112010222122002120
430012121111221
5403432100431
632051021453
75013333120
oct1406312551
9463878076
10203003241
11a4654381
1257b9a889
133309927c
141cd64ab7
1512c4e196
hexc199569

203003241 has 8 divisors (see below), whose sum is σ = 309338304. Its totient is φ = 116001840.

The previous prime is 203003231. The next prime is 203003243. The reversal of 203003241 is 142300302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203003241 - 25 = 203003209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203003241.

It is not an unprimeable number, because it can be changed into a prime (203003243) 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 7 ways as a sum of consecutive naturals, for example, 4833390 + ... + 4833431.

It is an arithmetic number, because the mean of its divisors is an integer number (38667288).

Almost surely, 2203003241 is an apocalyptic number.

203003241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

203003241 is a deficient number, since it is larger than the sum of its proper divisors (106335063).

203003241 is an equidigital number, since it uses as much as digits as its factorization.

203003241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666831.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 203003241 is about 14247.9205851240. The cubic root of 203003241 is about 587.7161936188.

Adding to 203003241 its reverse (142300302), we get a palindrome (345303543).

The spelling of 203003241 in words is "two hundred three million, three thousand, two hundred forty-one".

Divisors: 1 3 7 21 9666821 29000463 67667747 203003241