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10649893 is a prime number
BaseRepresentation
bin101000101000…
…000100100101
3202001001220111
4220220010211
510211244033
61020133021
7156344152
oct50500445
922031814
1010649893
116014471
123697171
13228b617
1415b3229
15e057cd
hexa28125

10649893 has 2 divisors, whose sum is σ = 10649894. Its totient is φ = 10649892.

The previous prime is 10649869. The next prime is 10649909. The reversal of 10649893 is 39894601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6315169 + 4334724 = 2513^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 10649893 - 221 = 8552741 is a prime.

It is a super-2 number, since 2×106498932 = 226840441822898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10649843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324946 + 5324947.

It is an arithmetic number, because the mean of its divisors is an integer number (5324947).

Almost surely, 210649893 is an apocalyptic number.

It is an amenable number.

10649893 is a deficient number, since it is larger than the sum of its proper divisors (1).

10649893 is an equidigital number, since it uses as much as digits as its factorization.

10649893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 10649893 is about 3263.4173805997. The cubic root of 10649893 is about 220.0130364176.

The spelling of 10649893 in words is "ten million, six hundred forty-nine thousand, eight hundred ninety-three".