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149049211 is a prime number
BaseRepresentation
bin10001110001001…
…00111101111011
3101101110111002011
420320210331323
5301124033321
622442350351
73456616543
oct1070447573
9341414064
10149049211
1177152973
1241abb3b7
1324b581cc
1415b1c323
15d142ae1
hex8e24f7b

149049211 has 2 divisors, whose sum is σ = 149049212. Its totient is φ = 149049210.

The previous prime is 149049193. The next prime is 149049259. The reversal of 149049211 is 112940941.

It is a weak prime.

It is an emirp because it is prime and its reverse (112940941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149049211 - 217 = 148918139 is a prime.

It is not a weakly prime, because it can be changed into another prime (149049011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74524605 + 74524606.

It is an arithmetic number, because the mean of its divisors is an integer number (74524606).

Almost surely, 2149049211 is an apocalyptic number.

149049211 is a deficient number, since it is larger than the sum of its proper divisors (1).

149049211 is an equidigital number, since it uses as much as digits as its factorization.

149049211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 149049211 is about 12208.5712104243. The cubic root of 149049211 is about 530.2042774913.

The spelling of 149049211 in words is "one hundred forty-nine million, forty-nine thousand, two hundred eleven".