Search a number
-
+
307075147 is a prime number
BaseRepresentation
bin10010010011011…
…001100001001011
3210101211000220121
4102103121201023
51112102401042
650245404111
710416044551
oct2223314113
9711730817
10307075147
11148377115
1286a09637
134b807292
142cad5bd1
151be5a367
hex124d984b

307075147 has 2 divisors, whose sum is σ = 307075148. Its totient is φ = 307075146.

The previous prime is 307075123. The next prime is 307075177. The reversal of 307075147 is 741570703.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 307075147 - 27 = 307075019 is a prime.

It is not a weakly prime, because it can be changed into another prime (307075177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153537573 + 153537574.

It is an arithmetic number, because the mean of its divisors is an integer number (153537574).

Almost surely, 2307075147 is an apocalyptic number.

307075147 is a deficient number, since it is larger than the sum of its proper divisors (1).

307075147 is an equidigital number, since it uses as much as digits as its factorization.

307075147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 307075147 is about 17523.5597696358. The cubic root of 307075147 is about 674.6547091790.

The spelling of 307075147 in words is "three hundred seven million, seventy-five thousand, one hundred forty-seven".