Search a number
-
+
290925529 is a prime number
BaseRepresentation
bin10001010101110…
…010101111011001
3202021102112210121
4101111302233121
51043434104104
644511313241
710131553246
oct2125625731
9667375717
10290925529
1113a246724
128151b821
13483715ab
142a8d05cd
151a81a254
hex11572bd9

290925529 has 2 divisors, whose sum is σ = 290925530. Its totient is φ = 290925528.

The previous prime is 290925517. The next prime is 290925563. The reversal of 290925529 is 925529092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198246400 + 92679129 = 14080^2 + 9627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-290925529 is a prime.

It is not a weakly prime, because it can be changed into another prime (290925329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145462764 + 145462765.

It is an arithmetic number, because the mean of its divisors is an integer number (145462765).

Almost surely, 2290925529 is an apocalyptic number.

It is an amenable number.

290925529 is a deficient number, since it is larger than the sum of its proper divisors (1).

290925529 is an equidigital number, since it uses as much as digits as its factorization.

290925529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 290925529 is about 17056.5391858958. The cubic root of 290925529 is about 662.6140050156.

The spelling of 290925529 in words is "two hundred ninety million, nine hundred twenty-five thousand, five hundred twenty-nine".