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38841949 is a prime number
BaseRepresentation
bin1001010000101…
…0111001011101
32201002101010201
42110022321131
534420420244
63504303501
7651102556
oct224127135
981071121
1038841949
111aa1a593
1211011b91
13807c703
14523132d
153623ad4
hex250ae5d

38841949 has 2 divisors, whose sum is σ = 38841950. Its totient is φ = 38841948.

The previous prime is 38841937. The next prime is 38841953. The reversal of 38841949 is 94914883.

38841949 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., 25100100 + 13741849 = 5010^2 + 3707^2 .

It is a cyclic number.

It is not a de Polignac number, because 38841949 - 211 = 38839901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38841899 and 38841908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38841919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19420974 + 19420975.

It is an arithmetic number, because the mean of its divisors is an integer number (19420975).

Almost surely, 238841949 is an apocalyptic number.

It is an amenable number.

38841949 is a deficient number, since it is larger than the sum of its proper divisors (1).

38841949 is an equidigital number, since it uses as much as digits as its factorization.

38841949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 38841949 is about 6232.3309443578. The cubic root of 38841949 is about 338.6624177750.

The spelling of 38841949 in words is "thirty-eight million, eight hundred forty-one thousand, nine hundred forty-nine".