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10207345 = 52041469
BaseRepresentation
bin100110111100…
…000001110001
3201012120211211
4212330001301
510103113340
61002440121
7152522011
oct46740161
921176754
1010207345
115841a25
123503041
132165065
1414d9c41
15d695ea
hex9bc071

10207345 has 4 divisors (see below), whose sum is σ = 12248820. Its totient is φ = 8165872.

The previous prime is 10207303. The next prime is 10207369. The reversal of 10207345 is 54370201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2238016 + 7969329 = 1496^2 + 2823^2 .

It is a cyclic number.

It is not a de Polignac number, because 10207345 - 211 = 10205297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020730 + ... + 1020739.

It is an arithmetic number, because the mean of its divisors is an integer number (3062205).

Almost surely, 210207345 is an apocalyptic number.

It is an amenable number.

10207345 is a deficient number, since it is larger than the sum of its proper divisors (2041475).

10207345 is an equidigital number, since it uses as much as digits as its factorization.

10207345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041474.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 10207345 is about 3194.8935819523. The cubic root of 10207345 is about 216.9223319914.

Adding to 10207345 its reverse (54370201), we get a palindrome (64577546).

The spelling of 10207345 in words is "ten million, two hundred seven thousand, three hundred forty-five".

Divisors: 1 5 2041469 10207345