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38942641 is a prime number
BaseRepresentation
bin1001010010001…
…1011110110001
32201021111021001
42110203132301
534432131031
63510402001
7652002253
oct224433661
981244231
1038942641
111aa89201
1211060301
1380b64aa
145259cd3
153643861
hex25237b1

38942641 has 2 divisors, whose sum is σ = 38942642. Its totient is φ = 38942640.

The previous prime is 38942639. The next prime is 38942669. The reversal of 38942641 is 14624983.

38942641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 5041 = 6240^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 38942641 - 21 = 38942639 is a prime.

Together with 38942639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38942641.

It is not a weakly prime, because it can be changed into another prime (38942441) 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, 19471320 + 19471321.

It is an arithmetic number, because the mean of its divisors is an integer number (19471321).

Almost surely, 238942641 is an apocalyptic number.

It is an amenable number.

38942641 is a deficient number, since it is larger than the sum of its proper divisors (1).

38942641 is an equidigital number, since it uses as much as digits as its factorization.

38942641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 38942641 is about 6240.4039132095. The cubic root of 38942641 is about 338.9548093130.

The spelling of 38942641 in words is "thirty-eight million, nine hundred forty-two thousand, six hundred forty-one".