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353145223 = 867740699
BaseRepresentation
bin10101000011001…
…001000110000111
3220121111122011201
4111003021012013
51210401121343
655013043331
711515453624
oct2503110607
9817448151
10353145223
11171383262
129a326547
1358217992
1434c8934b
152100a94d
hex150c9187

353145223 has 4 divisors (see below), whose sum is σ = 353194600. Its totient is φ = 353095848.

The previous prime is 353145193. The next prime is 353145239. The reversal of 353145223 is 322541353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322541353 = 1791801907.

It is a cyclic number.

It is not a de Polignac number, because 353145223 - 29 = 353144711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 353145191 and 353145200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353145323) 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, 11673 + ... + 29026.

It is an arithmetic number, because the mean of its divisors is an integer number (88298650).

Almost surely, 2353145223 is an apocalyptic number.

353145223 is a deficient number, since it is larger than the sum of its proper divisors (49377).

353145223 is an equidigital number, since it uses as much as digits as its factorization.

353145223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49376.

The product of its digits is 10800, while the sum is 28.

The square root of 353145223 is about 18792.1585508424. The cubic root of 353145223 is about 706.8345646753.

Adding to 353145223 its reverse (322541353), we get a palindrome (675686576).

The spelling of 353145223 in words is "three hundred fifty-three million, one hundred forty-five thousand, two hundred twenty-three".

Divisors: 1 8677 40699 353145223