Search a number
-
+
99379213 is a prime number
BaseRepresentation
bin1011110110001…
…10100000001101
320220222222122121
411323012200031
5200420113323
613510012541
72314465213
oct573064015
9226888577
1099379213
115110808a
1229347151
131778708b
14d2accb3
158ad0a5d
hex5ec680d

99379213 has 2 divisors, whose sum is σ = 99379214. Its totient is φ = 99379212.

The previous prime is 99379169. The next prime is 99379237. The reversal of 99379213 is 31297399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51796809 + 47582404 = 7197^2 + 6898^2 .

It is a cyclic number.

It is not a de Polignac number, because 99379213 - 29 = 99378701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99379213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99379243) 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, 49689606 + 49689607.

It is an arithmetic number, because the mean of its divisors is an integer number (49689607).

Almost surely, 299379213 is an apocalyptic number.

It is an amenable number.

99379213 is a deficient number, since it is larger than the sum of its proper divisors (1).

99379213 is an equidigital number, since it uses as much as digits as its factorization.

99379213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 43.

The square root of 99379213 is about 9968.9123278320. The cubic root of 99379213 is about 463.1964096322.

The spelling of 99379213 in words is "ninety-nine million, three hundred seventy-nine thousand, two hundred thirteen".