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307320001 = 991310111
BaseRepresentation
bin10010010100010…
…101010011000001
3210102021110210021
4102110111103001
51112133220001
650254533441
710421114452
oct2224252301
9712243707
10307320001
1114852407a
1286b07281
134b891871
142cb5b129
151bea7ba1
hex125154c1

307320001 has 4 divisors (see below), whose sum is σ = 307631104. Its totient is φ = 307008900.

The previous prime is 307319993. The next prime is 307320017. The reversal of 307320001 is 100023703.

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 307320001 - 23 = 307319993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307320031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154065 + ... + 156046.

It is an arithmetic number, because the mean of its divisors is an integer number (76907776).

Almost surely, 2307320001 is an apocalyptic number.

It is an amenable number.

307320001 is a deficient number, since it is larger than the sum of its proper divisors (311103).

307320001 is an equidigital number, since it uses as much as digits as its factorization.

307320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311102.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 307320001 is about 17530.5448004333. The cubic root of 307320001 is about 674.8339791054.

Adding to 307320001 its reverse (100023703), we get a palindrome (407343704).

The spelling of 307320001 in words is "three hundred seven million, three hundred twenty thousand, one".

Divisors: 1 991 310111 307320001