Search a number
-
+
345314443 = 2271521209
BaseRepresentation
bin10100100101010…
…001010010001011
3220001202210100211
4110211101102023
51201400030233
654133141551
711362060435
oct2445212213
9801683324
10345314443
11167a14941
129778a8b7
1356705596
1433c0b655
15204b05cd
hex1495148b

345314443 has 4 divisors (see below), whose sum is σ = 346835880. Its totient is φ = 343793008.

The previous prime is 345314441. The next prime is 345314447. The reversal of 345314443 is 344413543.

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

It is a cyclic number.

It is not a de Polignac number, because 345314443 - 21 = 345314441 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345314441) 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, 760378 + ... + 760831.

It is an arithmetic number, because the mean of its divisors is an integer number (86708970).

Almost surely, 2345314443 is an apocalyptic number.

345314443 is a deficient number, since it is larger than the sum of its proper divisors (1521437).

345314443 is a wasteful number, since it uses less digits than its factorization.

345314443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521436.

The product of its digits is 34560, while the sum is 31.

The square root of 345314443 is about 18582.6382142041. The cubic root of 345314443 is about 701.5709229561.

Adding to 345314443 its reverse (344413543), we get a palindrome (689727986).

The spelling of 345314443 in words is "three hundred forty-five million, three hundred fourteen thousand, four hundred forty-three".

Divisors: 1 227 1521209 345314443