Search a number
-
+
99170941 is a prime number
BaseRepresentation
bin1011110100100…
…11101001111101
320220121101221211
411322103221331
5200341432231
613501324421
72312640052
oct572235175
9226541854
1099170941
1150a85661
1229266711
131771333c
14d257029
158a8deb1
hex5e93a7d

99170941 has 2 divisors, whose sum is σ = 99170942. Its totient is φ = 99170940.

The previous prime is 99170887. The next prime is 99171019. The reversal of 99170941 is 14907199.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93045316 + 6125625 = 9646^2 + 2475^2 .

It is an emirp because it is prime and its reverse (14907199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99170941 - 29 = 99170429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99170894 and 99170903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99170041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49585470 + 49585471.

It is an arithmetic number, because the mean of its divisors is an integer number (49585471).

Almost surely, 299170941 is an apocalyptic number.

It is an amenable number.

99170941 is a deficient number, since it is larger than the sum of its proper divisors (1).

99170941 is an equidigital number, since it uses as much as digits as its factorization.

99170941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 99170941 is about 9958.4607746378. The cubic root of 99170941 is about 462.8726051176.

The spelling of 99170941 in words is "ninety-nine million, one hundred seventy thousand, nine hundred forty-one".