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38775361 is a prime number
BaseRepresentation
bin1001001111101…
…0101001000001
32200221222210111
42103322221001
534411302421
63503031321
7650404462
oct223725101
980858714
1038775361
111a984559
1210b9b541
138058301
145214d69
15360dee1
hex24faa41

38775361 has 2 divisors, whose sum is σ = 38775362. Its totient is φ = 38775360.

The previous prime is 38775353. The next prime is 38775397. The reversal of 38775361 is 16357783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 9884736 = 5375^2 + 3144^2 .

It is a cyclic number.

It is not a de Polignac number, because 38775361 - 23 = 38775353 is a prime.

It is not a weakly prime, because it can be changed into another prime (38775311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19387680 + 19387681.

It is an arithmetic number, because the mean of its divisors is an integer number (19387681).

Almost surely, 238775361 is an apocalyptic number.

It is an amenable number.

38775361 is a deficient number, since it is larger than the sum of its proper divisors (1).

38775361 is an equidigital number, since it uses as much as digits as its factorization.

38775361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 38775361 is about 6226.9865103435. The cubic root of 38775361 is about 338.4687804620.

The spelling of 38775361 in words is "thirty-eight million, seven hundred seventy-five thousand, three hundred sixty-one".