Search a number
-
+
38772947 is a prime number
BaseRepresentation
bin1001001111101…
…0000011010011
32200221212111002
42103322003103
534411213242
63503012215
7650364443
oct223720323
980855432
1038772947
111a982764
1210b9a06b
138057195
145214123
15360d432
hex24fa0d3

38772947 has 2 divisors, whose sum is σ = 38772948. Its totient is φ = 38772946.

The previous prime is 38772941. The next prime is 38772953. The reversal of 38772947 is 74927783.

38772947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (38772941) and next prime (38772953).

It is a cyclic number.

It is not a de Polignac number, because 38772947 - 26 = 38772883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38772941) 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, 19386473 + 19386474.

It is an arithmetic number, because the mean of its divisors is an integer number (19386474).

Almost surely, 238772947 is an apocalyptic number.

38772947 is a deficient number, since it is larger than the sum of its proper divisors (1).

38772947 is an equidigital number, since it uses as much as digits as its factorization.

38772947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The square root of 38772947 is about 6226.7926736001. The cubic root of 38772947 is about 338.4617564088.

The spelling of 38772947 in words is "thirty-eight million, seven hundred seventy-two thousand, nine hundred forty-seven".