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343849443 = 37139117797
BaseRepresentation
bin10100011111101…
…011100111100011
3212222000100202120
4110133223213203
51201011140233
654041515323
711343446340
oct2437534743
9788010676
10343849443
111671041a3
12971a2b43
1356311812
14339497c7
15202c14b3
hex147eb9e3

343849443 has 16 divisors (see below), whose sum is σ = 527735040. Its totient is φ = 195070176.

The previous prime is 343849397. The next prime is 343849447. The reversal of 343849443 is 344948343.

It is a happy number.

It is not a de Polignac number, because 343849443 - 210 = 343848419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343849395 and 343849404.

It is not an unprimeable number, because it can be changed into a prime (343849447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55980 + ... + 61817.

It is an arithmetic number, because the mean of its divisors is an integer number (32983440).

Almost surely, 2343849443 is an apocalyptic number.

343849443 is a deficient number, since it is larger than the sum of its proper divisors (183885597).

343849443 is a wasteful number, since it uses less digits than its factorization.

343849443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117946.

The product of its digits is 497664, while the sum is 42.

The square root of 343849443 is about 18543.1778020921. The cubic root of 343849443 is about 700.5773760171.

The spelling of 343849443 in words is "three hundred forty-three million, eight hundred forty-nine thousand, four hundred forty-three".

Divisors: 1 3 7 21 139 417 973 2919 117797 353391 824579 2473737 16373783 49121349 114616481 343849443