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849107345 = 5169821469
BaseRepresentation
bin110010100111000…
…101100110010001
32012011202010022012
4302213011212101
53214332413340
6220131152305
730020202422
oct6247054621
92164663265
10849107345
113a6331a09
121b8445695
13106bb7ba8
1480aad649
154e827565
hex329c5991

849107345 has 4 divisors (see below), whose sum is σ = 1018928820. Its totient is φ = 679285872.

The previous prime is 849107341. The next prime is 849107351. The reversal of 849107345 is 543701948.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124367104 + 724740241 = 11152^2 + 26921^2 .

It is a cyclic number.

It is not a de Polignac number, because 849107345 - 22 = 849107341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (849107341) 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, 84910730 + ... + 84910739.

It is an arithmetic number, because the mean of its divisors is an integer number (254732205).

Almost surely, 2849107345 is an apocalyptic number.

It is an amenable number.

849107345 is a deficient number, since it is larger than the sum of its proper divisors (169821475).

849107345 is a wasteful number, since it uses less digits than its factorization.

849107345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169821474.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 849107345 is about 29139.4465458766. The cubic root of 849107345 is about 946.9365195754.

The spelling of 849107345 in words is "eight hundred forty-nine million, one hundred seven thousand, three hundred forty-five".

Divisors: 1 5 169821469 849107345