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307319041 = 476538703
BaseRepresentation
bin10010010100010…
…101000100000001
3210102021102110201
4102110111010001
51112133202131
650254525201
710421111611
oct2224250401
9712242421
10307319041
11148523387
1286b06801
134b8912b3
142cb5aa41
151bea7761
hex12515101

307319041 has 4 divisors (see below), whose sum is σ = 313857792. Its totient is φ = 300780292.

The previous prime is 307319029. The next prime is 307319071. The reversal of 307319041 is 140913703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140913703 = 720130529.

It is a cyclic number.

It is not a de Polignac number, because 307319041 - 211 = 307316993 is a prime.

It is a super-2 number, since 2×3073190412 = 188889985922319362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307319011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3269305 + ... + 3269398.

It is an arithmetic number, because the mean of its divisors is an integer number (78464448).

Almost surely, 2307319041 is an apocalyptic number.

It is an amenable number.

307319041 is a deficient number, since it is larger than the sum of its proper divisors (6538751).

307319041 is an equidigital number, since it uses as much as digits as its factorization.

307319041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538750.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 307319041 is about 17530.5174196314. The cubic root of 307319041 is about 674.8332764270.

The spelling of 307319041 in words is "three hundred seven million, three hundred nineteen thousand, forty-one".

Divisors: 1 47 6538703 307319041