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10509233 = 78291811
BaseRepresentation
bin101000000101…
…101110110001
3201202220221212
4220011232301
510142243413
61013125505
7155220110
oct50055661
921686855
1010509233
115a28819
123629895
13223c5a7
141577c77
15dc8ca8
hexa05bb1

10509233 has 8 divisors (see below), whose sum is σ = 12031680. Its totient is φ = 8992080.

The previous prime is 10509203. The next prime is 10509241. The reversal of 10509233 is 33290501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10509233 - 28 = 10508977 is a prime.

It is a super-2 number, since 2×105092332 = 220887956496578, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10509199 and 10509208.

It is not an unprimeable number, because it can be changed into a prime (10509203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4898 + ... + 6708.

It is an arithmetic number, because the mean of its divisors is an integer number (1503960).

Almost surely, 210509233 is an apocalyptic number.

It is an amenable number.

10509233 is a deficient number, since it is larger than the sum of its proper divisors (1522447).

10509233 is an equidigital number, since it uses as much as digits as its factorization.

10509233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 10509233 is about 3241.7947189790. The cubic root of 10509233 is about 219.0401224765.

Adding to 10509233 its reverse (33290501), we get a palindrome (43799734).

The spelling of 10509233 in words is "ten million, five hundred nine thousand, two hundred thirty-three".

Divisors: 1 7 829 1811 5803 12677 1501319 10509233