Search a number
-
+
73102229 is a prime number
BaseRepresentation
bin1000101101101…
…11001110010101
312002112222101222
410112313032111
5122203232404
611130500125
71545234014
oct426671625
9162488358
1073102229
113829a872
1220594645
13121b6875
1499cca7b
15663edbe
hex45b7395

73102229 has 2 divisors, whose sum is σ = 73102230. Its totient is φ = 73102228.

The previous prime is 73102223. The next prime is 73102259. The reversal of 73102229 is 92220137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69388900 + 3713329 = 8330^2 + 1927^2 .

It is an emirp because it is prime and its reverse (92220137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73102229 - 224 = 56325013 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73102198 and 73102207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73102223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36551114 + 36551115.

It is an arithmetic number, because the mean of its divisors is an integer number (36551115).

Almost surely, 273102229 is an apocalyptic number.

It is an amenable number.

73102229 is a deficient number, since it is larger than the sum of its proper divisors (1).

73102229 is an equidigital number, since it uses as much as digits as its factorization.

73102229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 73102229 is about 8549.9841520321. The cubic root of 73102229 is about 418.1289198125.

The spelling of 73102229 in words is "seventy-three million, one hundred two thousand, two hundred twenty-nine".