Search a number
-
+
72590851 is a prime number
BaseRepresentation
bin1000101001110…
…10011000000011
312001120222221001
410110322120003
5122040401401
611111512431
71541004064
oct424723003
9161528831
1072590851
1137a80643
1220388717
1312067b88
1498d856b
15658d601
hex453a603

72590851 has 2 divisors, whose sum is σ = 72590852. Its totient is φ = 72590850.

The previous prime is 72590813. The next prime is 72590911. The reversal of 72590851 is 15809527.

It is a weak prime.

It is an emirp because it is prime and its reverse (15809527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72590851 - 29 = 72590339 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72590851.

It is not a weakly prime, because it can be changed into another prime (72590801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36295425 + 36295426.

It is an arithmetic number, because the mean of its divisors is an integer number (36295426).

Almost surely, 272590851 is an apocalyptic number.

72590851 is a deficient number, since it is larger than the sum of its proper divisors (1).

72590851 is an equidigital number, since it uses as much as digits as its factorization.

72590851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 72590851 is about 8520.0264670950. The cubic root of 72590851 is about 417.1516469846.

It can be divided in two parts, 72590 and 851, that added together give a square (73441 = 2712).

The spelling of 72590851 in words is "seventy-two million, five hundred ninety thousand, eight hundred fifty-one".