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345845443 = 905938177
BaseRepresentation
bin10100100111010…
…010111011000011
3220002202202202111
4110213102323003
51202014023233
654152400151
711366431516
oct2447227303
9802682674
10345845443
11168247889
12979a6057
1356860198
1433d08d7d
1520567acd
hex149d2ec3

345845443 has 4 divisors (see below), whose sum is σ = 345892680. Its totient is φ = 345798208.

The previous prime is 345845407. The next prime is 345845447. The reversal of 345845443 is 344548543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344548543 = 418403623.

It is a cyclic number.

It is not a de Polignac number, because 345845443 - 29 = 345844931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345845396 and 345845405.

It is not an unprimeable number, because it can be changed into a prime (345845447) 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, 10030 + ... + 28147.

It is an arithmetic number, because the mean of its divisors is an integer number (86473170).

Almost surely, 2345845443 is an apocalyptic number.

345845443 is a deficient number, since it is larger than the sum of its proper divisors (47237).

345845443 is an equidigital number, since it uses as much as digits as its factorization.

345845443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47236.

The product of its digits is 460800, while the sum is 40.

The square root of 345845443 is about 18596.9202557843. The cubic root of 345845443 is about 701.9303474154.

The spelling of 345845443 in words is "three hundred forty-five million, eight hundred forty-five thousand, four hundred forty-three".

Divisors: 1 9059 38177 345845443