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849314449 = 15121932
BaseRepresentation
bin110010100111111…
…000001010010001
32012012010122101201
4302213320022101
53214411030244
6220135431201
730022024264
oct6247701221
92165118351
10849314449
113a6463575
121b8525501
13106c5b239
1480b24cdb
154e868ad4
hex329f8291

849314449 has 9 divisors (see below), whose sum is σ = 859429179. Its totient is φ = 839318400.

The previous prime is 849314437. The next prime is 849314483. The reversal of 849314449 is 944413948.

The square root of 849314449 is 29143.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 205779025 + 643535424 = 14345^2 + 25368^2 .

It is not a de Polignac number, because 849314449 - 29 = 849313937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 849314399 and 849314408.

It is not an unprimeable number, because it can be changed into a prime (849314419) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4400497 + ... + 4400689.

It is an arithmetic number, because the mean of its divisors is an integer number (95492131).

Almost surely, 2849314449 is an apocalyptic number.

849314449 is the 29143-rd square number.

849314449 is the 14572-nd centered octagonal number.

It is an amenable number.

849314449 is a deficient number, since it is larger than the sum of its proper divisors (10114730).

849314449 is an frugal number, since it uses more digits than its factorization.

849314449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 344 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The cubic root of 849314449 is about 947.0135017535.

The spelling of 849314449 in words is "eight hundred forty-nine million, three hundred fourteen thousand, four hundred forty-nine".

Divisors: 1 151 193 22801 29143 37249 4400593 5624599 849314449