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204343345 = 575154419
BaseRepresentation
bin11000010111000…
…00100000110001
3112020111201101001
430023200200301
5404302441340
632135442001
75030614123
oct1413404061
9466451331
10204343345
11a538a1a8
1258526301
133344822b
141d1d3213
1512e1629a
hexc2e0831

204343345 has 8 divisors (see below), whose sum is σ = 245543040. Its totient is φ = 163254000.

The previous prime is 204343343. The next prime is 204343369. The reversal of 204343345 is 543343402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204343345 - 21 = 204343343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204343343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23455 + ... + 30964.

It is an arithmetic number, because the mean of its divisors is an integer number (30692880).

Almost surely, 2204343345 is an apocalyptic number.

It is an amenable number.

204343345 is a deficient number, since it is larger than the sum of its proper divisors (41199695).

204343345 is an equidigital number, since it uses as much as digits as its factorization.

204343345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55175.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 204343345 is about 14294.8712830861. The cubic root of 204343345 is about 589.0066066173.

Adding to 204343345 its reverse (543343402), we get a palindrome (747686747).

The spelling of 204343345 in words is "two hundred four million, three hundred forty-three thousand, three hundred forty-five".

Divisors: 1 5 751 3755 54419 272095 40868669 204343345