Search a number
-
+
345100423 = 1933178531
BaseRepresentation
bin10100100100011…
…101000010000111
3220001100220210011
4110210131002013
51201321203143
654124411051
711360206453
oct2444350207
9801326704
10345100423
11167889068
12976a6a87
135665c045
1433b93663
152046be9d
hex1491d087

345100423 has 4 divisors (see below), whose sum is σ = 345280888. Its totient is φ = 344919960.

The previous prime is 345100411. The next prime is 345100433. The reversal of 345100423 is 324001543.

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 345100423 - 225 = 311545991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345100394 and 345100403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345100433) 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, 87333 + ... + 91198.

It is an arithmetic number, because the mean of its divisors is an integer number (86320222).

Almost surely, 2345100423 is an apocalyptic number.

345100423 is a deficient number, since it is larger than the sum of its proper divisors (180465).

345100423 is a wasteful number, since it uses less digits than its factorization.

345100423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180464.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 345100423 is about 18576.8787206032. The cubic root of 345100423 is about 701.4259524393.

Adding to 345100423 its reverse (324001543), we get a palindrome (669101966).

The spelling of 345100423 in words is "three hundred forty-five million, one hundred thousand, four hundred twenty-three".

Divisors: 1 1933 178531 345100423