Search a number
-
+
15298229 is a prime number
BaseRepresentation
bin111010010110…
…111010110101
31001210020020002
4322112322311
512404020404
61303521045
7244014152
oct72267265
931706202
1015298229
1186a9871
125159185
13322830b
142063229
151522c1e
hexe96eb5

15298229 has 2 divisors, whose sum is σ = 15298230. Its totient is φ = 15298228.

The previous prime is 15298223. The next prime is 15298253. The reversal of 15298229 is 92289251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13912900 + 1385329 = 3730^2 + 1177^2 .

It is a cyclic number.

It is not a de Polignac number, because 15298229 - 212 = 15294133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15298192 and 15298201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15298223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7649114 + 7649115.

It is an arithmetic number, because the mean of its divisors is an integer number (7649115).

Almost surely, 215298229 is an apocalyptic number.

It is an amenable number.

15298229 is a deficient number, since it is larger than the sum of its proper divisors (1).

15298229 is an equidigital number, since it uses as much as digits as its factorization.

15298229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 15298229 is about 3911.2950540710. The cubic root of 15298229 is about 248.2449290700.

The spelling of 15298229 in words is "fifteen million, two hundred ninety-eight thousand, two hundred twenty-nine".