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355244401 = 427383137
BaseRepresentation
bin10101001011001…
…001100101110001
3220202110021201001
4111023021211301
51211420310101
655130042001
711542345651
oct2513114561
9822407631
10355244401
11172587416
129ab79301
13587a12b5
1435274361
15212c2901
hex152c9971

355244401 has 4 divisors (see below), whose sum is σ = 355331812. Its totient is φ = 355156992.

The previous prime is 355244381. The next prime is 355244411. The reversal of 355244401 is 104442553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104442553 = 611712173.

It can be written as a sum of positive squares in 2 ways, for example, as 38440000 + 316804401 = 6200^2 + 17799^2 .

It is a cyclic number.

It is not a de Polignac number, because 355244401 - 213 = 355236209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355244401.

It is not an unprimeable number, because it can be changed into a prime (355244411) 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, 37296 + ... + 45841.

It is an arithmetic number, because the mean of its divisors is an integer number (88832953).

Almost surely, 2355244401 is an apocalyptic number.

It is an amenable number.

355244401 is a deficient number, since it is larger than the sum of its proper divisors (87411).

355244401 is an equidigital number, since it uses as much as digits as its factorization.

355244401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87410.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 355244401 is about 18847.9282946429. The cubic root of 355244401 is about 708.2323288998.

Adding to 355244401 its reverse (104442553), we get a palindrome (459686954).

The spelling of 355244401 in words is "three hundred fifty-five million, two hundred forty-four thousand, four hundred one".

Divisors: 1 4273 83137 355244401