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10549969 is a prime number
BaseRepresentation
bin101000001111…
…101011010001
3201211222211121
4220033223101
510200044334
61014042241
7155446633
oct50175321
921758747
1010549969
115a56391
123649381
132254cb1
141588a53
15dd5db4
hexa0fad1

10549969 has 2 divisors, whose sum is σ = 10549970. Its totient is φ = 10549968.

The previous prime is 10549943. The next prime is 10549991. The reversal of 10549969 is 96994501.

10549969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 2849344 = 2775^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 10549969 - 29 = 10549457 is a prime.

It is a super-2 number, since 2×105499692 = 222603691801922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10549919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5274984 + 5274985.

It is an arithmetic number, because the mean of its divisors is an integer number (5274985).

Almost surely, 210549969 is an apocalyptic number.

It is an amenable number.

10549969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10549969 is an equidigital number, since it uses as much as digits as its factorization.

10549969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 10549969 is about 3248.0715817235. The cubic root of 10549969 is about 219.3227727988.

It can be divided in two parts, 10549 and 969, that multiplied together give a triangular number (10221981 = T4521).

The spelling of 10549969 in words is "ten million, five hundred forty-nine thousand, nine hundred sixty-nine".