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200345245 = 5173231613
BaseRepresentation
bin10111111000100…
…00011010011101
3111221222121000021
423330100122131
5402242021440
631514032141
74651622632
oct1374203235
9457877007
10200345245
11a30a9391
1257118651
13326784a9
141c872189
15128c684a
hexbf1069d

200345245 has 8 divisors (see below), whose sum is σ = 241805016. Its totient is φ = 159349056.

The previous prime is 200345231. The next prime is 200345261. The reversal of 200345245 is 542543002.

It can be written as a sum of positive squares in 4 ways, for example, as 41912676 + 158432569 = 6474^2 + 12587^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200345245 is a prime.

It is a super-2 number, since 2×2003452452 = 80276434388220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114942 + ... + 116671.

It is an arithmetic number, because the mean of its divisors is an integer number (30225627).

Almost surely, 2200345245 is an apocalyptic number.

It is an amenable number.

200345245 is a deficient number, since it is larger than the sum of its proper divisors (41459771).

200345245 is a wasteful number, since it uses less digits than its factorization.

200345245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231791.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 200345245 is about 14154.3366146210. The cubic root of 200345245 is about 585.1398550373.

Adding to 200345245 its reverse (542543002), we get a palindrome (742888247).

The spelling of 200345245 in words is "two hundred million, three hundred forty-five thousand, two hundred forty-five".

Divisors: 1 5 173 865 231613 1158065 40069049 200345245