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38648741 is a prime number
BaseRepresentation
bin1001001101101…
…1101110100101
32200201120002212
42103123232211
534343224431
63500213205
7646336355
oct223335645
980646085
1038648741
111a8a840a
1210b3a205
1380127a1
1451c0b65
1535d672b
hex24dbba5

38648741 has 2 divisors, whose sum is σ = 38648742. Its totient is φ = 38648740.

The previous prime is 38648737. The next prime is 38648747. The reversal of 38648741 is 14784683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30360100 + 8288641 = 5510^2 + 2879^2 .

It is a cyclic number.

It is not a de Polignac number, because 38648741 - 22 = 38648737 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38648747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19324370 + 19324371.

It is an arithmetic number, because the mean of its divisors is an integer number (19324371).

Almost surely, 238648741 is an apocalyptic number.

It is an amenable number.

38648741 is a deficient number, since it is larger than the sum of its proper divisors (1).

38648741 is an equidigital number, since it uses as much as digits as its factorization.

38648741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 38648741 is about 6216.8111600723. The cubic root of 38648741 is about 338.0999581816.

The spelling of 38648741 in words is "thirty-eight million, six hundred forty-eight thousand, seven hundred forty-one".