Search a number
-
+
130000349 is a prime number
BaseRepresentation
bin1111011111110…
…10010111011101
3100001121200221202
413233322113131
5231240002344
620522205245
73135661523
oct757722735
9301550852
10130000349
1167422206
1237653825
1320c189ab
14133a0313
15b62d94e
hex7bfa5dd

130000349 has 2 divisors, whose sum is σ = 130000350. Its totient is φ = 130000348.

The previous prime is 130000229. The next prime is 130000363. The reversal of 130000349 is 943000031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 42484324 = 9355^2 + 6518^2 .

It is a cyclic number.

It is not a de Polignac number, because 130000349 - 28 = 130000093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130000349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130005349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65000174 + 65000175.

It is an arithmetic number, because the mean of its divisors is an integer number (65000175).

Almost surely, 2130000349 is an apocalyptic number.

It is an amenable number.

130000349 is a deficient number, since it is larger than the sum of its proper divisors (1).

130000349 is an equidigital number, since it uses as much as digits as its factorization.

130000349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 130000349 is about 11401.7695556435. The cubic root of 130000349 is about 506.5801552336.

The spelling of 130000349 in words is "one hundred thirty million, three hundred forty-nine", and thus it is an aban number.