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10868749 is a prime number
BaseRepresentation
bin101001011101…
…100000001101
3202110012010021
4221131200031
510240244444
61024542141
7161245213
oct51354015
922405107
1010868749
116153941
123781951
132337118
14162ccb3
15e4a584
hexa5d80d

10868749 has 2 divisors, whose sum is σ = 10868750. Its totient is φ = 10868748.

The previous prime is 10868747. The next prime is 10868761. The reversal of 10868749 is 94786801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10530025 + 338724 = 3245^2 + 582^2 .

It is a cyclic number.

It is not a de Polignac number, because 10868749 - 21 = 10868747 is a prime.

It is a super-3 number, since 3×108687493 (a number of 22 digits) contains 333 as substring.

Together with 10868747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10868747) 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 as a sum of consecutive naturals, namely, 5434374 + 5434375.

It is an arithmetic number, because the mean of its divisors is an integer number (5434375).

Almost surely, 210868749 is an apocalyptic number.

It is an amenable number.

10868749 is a deficient number, since it is larger than the sum of its proper divisors (1).

10868749 is an equidigital number, since it uses as much as digits as its factorization.

10868749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 10868749 is about 3296.7785791588. The cubic root of 10868749 is about 221.5099231729.

The spelling of 10868749 in words is "ten million, eight hundred sixty-eight thousand, seven hundred forty-nine".