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10203245 = 513791987
BaseRepresentation
bin100110111011…
…000001101101
3201012101012222
4212323001231
510103000440
61002405125
7152504033
oct46730155
921171188
1010203245
115839938
1235007a5
132163230
1414d8553
15d682b5
hex9bb06d

10203245 has 16 divisors (see below), whose sum is σ = 13359360. Its totient is φ = 7435584.

The previous prime is 10203241. The next prime is 10203251. The reversal of 10203245 is 54230201.

It is not a de Polignac number, because 10203245 - 22 = 10203241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203241) 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, 4142 + ... + 6128.

It is an arithmetic number, because the mean of its divisors is an integer number (834960).

Almost surely, 210203245 is an apocalyptic number.

It is an amenable number.

10203245 is a deficient number, since it is larger than the sum of its proper divisors (3156115).

10203245 is a wasteful number, since it uses less digits than its factorization.

10203245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 10203245 is about 3194.2518685915. The cubic root of 10203245 is about 216.8932842593.

Adding to 10203245 its reverse (54230201), we get a palindrome (64433446).

The spelling of 10203245 in words is "ten million, two hundred three thousand, two hundred forty-five".

Divisors: 1 5 13 65 79 395 1027 1987 5135 9935 25831 129155 156973 784865 2040649 10203245