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307116073 = 1127919643
BaseRepresentation
bin10010010011100…
…011100000101001
3210101220010001101
4102103203200221
51112110203243
650250321401
710416305065
oct2223434051
9711803041
10307116073
111483a4940
1286a29261
134b81cab4
142cb06aa5
151be6754d
hex124e3829

307116073 has 4 divisors (see below), whose sum is σ = 335035728. Its totient is φ = 279196420.

The previous prime is 307116049. The next prime is 307116077. The reversal of 307116073 is 370611703.

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.

It is a cyclic number.

It is not a de Polignac number, because 307116073 - 25 = 307116041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307116077) 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, 13959811 + ... + 13959832.

It is an arithmetic number, because the mean of its divisors is an integer number (83758932).

Almost surely, 2307116073 is an apocalyptic number.

It is an amenable number.

307116073 is a deficient number, since it is larger than the sum of its proper divisors (27919655).

307116073 is a wasteful number, since it uses less digits than its factorization.

307116073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27919654.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 307116073 is about 17524.7274729167. The cubic root of 307116073 is about 674.6846797930.

Adding to 307116073 its reverse (370611703), we get a palindrome (677727776).

The spelling of 307116073 in words is "three hundred seven million, one hundred sixteen thousand, seventy-three".

Divisors: 1 11 27919643 307116073