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349500589 = 1567922291
BaseRepresentation
bin10100110101001…
…111010010101101
3220100122110200021
4110311033102231
51203433004324
654403002141
711442464104
oct2465172255
9810573607
10349500589
1116a313a69
1299069351
135753caa9
14345bb03b
1520a3aae4
hex14d4f4ad

349500589 has 4 divisors (see below), whose sum is σ = 349538560. Its totient is φ = 349462620.

The previous prime is 349500587. The next prime is 349500623. The reversal of 349500589 is 985005943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 349500589 - 21 = 349500587 is a prime.

It is a super-2 number, since 2×3495005892 = 244301323422693842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349500587) 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, 4534 + ... + 26824.

It is an arithmetic number, because the mean of its divisors is an integer number (87384640).

Almost surely, 2349500589 is an apocalyptic number.

It is an amenable number.

349500589 is a deficient number, since it is larger than the sum of its proper divisors (37971).

349500589 is a wasteful number, since it uses less digits than its factorization.

349500589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37970.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 349500589 is about 18694.9348487766. The cubic root of 349500589 is about 704.3945233196.

The spelling of 349500589 in words is "three hundred forty-nine million, five hundred thousand, five hundred eighty-nine".

Divisors: 1 15679 22291 349500589