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307380849 = 3601170483
BaseRepresentation
bin10010010100100…
…100001001110001
3210102101120020220
4102110210021301
51112142141344
650300123253
710421460036
oct2224441161
9712346226
10307380849
11148565866
1286b36529
134b8b3479
142cb7538d
151bebac19
hex12524271

307380849 has 8 divisors (see below), whose sum is σ = 410525472. Its totient is φ = 204578400.

The previous prime is 307380839. The next prime is 307380851. The reversal of 307380849 is 948083703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 307380849 - 212 = 307376753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 307380849.

It is not an unprimeable number, because it can be changed into a prime (307380839) 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 7 ways as a sum of consecutive naturals, for example, 83439 + ... + 87044.

It is an arithmetic number, because the mean of its divisors is an integer number (51315684).

Almost surely, 2307380849 is an apocalyptic number.

It is an amenable number.

307380849 is a deficient number, since it is larger than the sum of its proper divisors (103144623).

307380849 is a wasteful number, since it uses less digits than its factorization.

307380849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171087.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 307380849 is about 17532.2801996774. The cubic root of 307380849 is about 674.8785142132.

The spelling of 307380849 in words is "three hundred seven million, three hundred eighty thousand, eight hundred forty-nine".

Divisors: 1 3 601 1803 170483 511449 102460283 307380849