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38866853 is a prime number
BaseRepresentation
bin1001010001000…
…0111110100101
32201010122022002
42110100332211
534422214403
63505015045
7651235304
oct224207645
981118262
1038866853
111aa37273
1211024485
13808ab4c
14523a43b
15362b188
hex2510fa5

38866853 has 2 divisors, whose sum is σ = 38866854. Its totient is φ = 38866852.

The previous prime is 38866847. The next prime is 38866907. The reversal of 38866853 is 35866883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23990404 + 14876449 = 4898^2 + 3857^2 .

It is a cyclic number.

It is not a de Polignac number, because 38866853 - 212 = 38862757 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38866798 and 38866807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38866813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19433426 + 19433427.

It is an arithmetic number, because the mean of its divisors is an integer number (19433427).

Almost surely, 238866853 is an apocalyptic number.

It is an amenable number.

38866853 is a deficient number, since it is larger than the sum of its proper divisors (1).

38866853 is an equidigital number, since it uses as much as digits as its factorization.

38866853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 47.

The square root of 38866853 is about 6234.3285925591. The cubic root of 38866853 is about 338.7347815224.

The spelling of 38866853 in words is "thirty-eight million, eight hundred sixty-six thousand, eight hundred fifty-three".