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85603205 = 556930089
BaseRepresentation
bin1010001101000…
…11001110000101
312222002002112002
411012203032011
5133403300310
612254435045
72056421012
oct506431605
9188062462
1085603205
1144358a56
1224802a85
13149728ac
14b524709
1577adda5
hex51a3385

85603205 has 8 divisors (see below), whose sum is σ = 102907800. Its totient is φ = 68359936.

The previous prime is 85603201. The next prime is 85603213. The reversal of 85603205 is 50230658.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644 + 84070561 = 1238^2 + 9169^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 85603205 - 22 = 85603201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85603201) 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, 12200 + ... + 17889.

It is an arithmetic number, because the mean of its divisors is an integer number (12863475).

Almost surely, 285603205 is an apocalyptic number.

It is an amenable number.

85603205 is a deficient number, since it is larger than the sum of its proper divisors (17304595).

85603205 is a wasteful number, since it uses less digits than its factorization.

85603205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30663.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 85603205 is about 9252.2000086466. The cubic root of 85603205 is about 440.7205909334.

The spelling of 85603205 in words is "eighty-five million, six hundred three thousand, two hundred five".

Divisors: 1 5 569 2845 30089 150445 17120641 85603205