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149917301 is a prime number
BaseRepresentation
bin10001110111110…
…00111001110101
3101110002120212122
420323320321311
5301334323201
622513125325
73500163452
oct1073707165
9343076778
10149917301
11776960a6
1242259845
13250a0381
1415ca6829
15d264e1b
hex8ef8e75

149917301 has 2 divisors, whose sum is σ = 149917302. Its totient is φ = 149917300.

The previous prime is 149917249. The next prime is 149917331. The reversal of 149917301 is 103719941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149475076 + 442225 = 12226^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 149917301 - 226 = 82808437 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149917331) 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, 74958650 + 74958651.

It is an arithmetic number, because the mean of its divisors is an integer number (74958651).

Almost surely, 2149917301 is an apocalyptic number.

It is an amenable number.

149917301 is a deficient number, since it is larger than the sum of its proper divisors (1).

149917301 is an equidigital number, since it uses as much as digits as its factorization.

149917301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 149917301 is about 12244.0720759068. The cubic root of 149917301 is about 531.2316213065.

The spelling of 149917301 in words is "one hundred forty-nine million, nine hundred seventeen thousand, three hundred one".