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149008297 is a prime number
BaseRepresentation
bin10001110000110…
…10111110101001
3101101101101221211
420320122332221
5301121231142
622441433121
73456356344
oct1070327651
9341341854
10149008297
1177125159
1241a9b7a1
1324b426b9
1415b0b45b
15d135917
hex8e1afa9

149008297 has 2 divisors, whose sum is σ = 149008298. Its totient is φ = 149008296.

The previous prime is 149008267. The next prime is 149008303. The reversal of 149008297 is 792800941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85821696 + 63186601 = 9264^2 + 7949^2 .

It is a cyclic number.

It is not a de Polignac number, because 149008297 - 215 = 148975529 is a prime.

It is not a weakly prime, because it can be changed into another prime (149008207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74504148 + 74504149.

It is an arithmetic number, because the mean of its divisors is an integer number (74504149).

Almost surely, 2149008297 is an apocalyptic number.

It is an amenable number.

149008297 is a deficient number, since it is larger than the sum of its proper divisors (1).

149008297 is an equidigital number, since it uses as much as digits as its factorization.

149008297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 149008297 is about 12206.8954693648. The cubic root of 149008297 is about 530.1557593702.

The spelling of 149008297 in words is "one hundred forty-nine million, eight thousand, two hundred ninety-seven".