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38073949 is a prime number
BaseRepresentation
bin1001000100111…
…1011001011101
32122122100122021
42101033121131
534221331244
63440020141
7641423524
oct221173135
978570567
1038073949
111a545581
1210901651
137b70c84
1450b14bb
153521284
hex244f65d

38073949 has 2 divisors, whose sum is σ = 38073950. Its totient is φ = 38073948.

The previous prime is 38073941. The next prime is 38073979. The reversal of 38073949 is 94937083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22629049 + 15444900 = 4757^2 + 3930^2 .

It is an emirp because it is prime and its reverse (94937083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38073949 - 23 = 38073941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38073941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19036974 + 19036975.

It is an arithmetic number, because the mean of its divisors is an integer number (19036975).

Almost surely, 238073949 is an apocalyptic number.

It is an amenable number.

38073949 is a deficient number, since it is larger than the sum of its proper divisors (1).

38073949 is an equidigital number, since it uses as much as digits as its factorization.

38073949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 38073949 is about 6170.4091436468. The cubic root of 38073949 is about 336.4154824547.

The spelling of 38073949 in words is "thirty-eight million, seventy-three thousand, nine hundred forty-nine".