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830865601 = 2273365537
BaseRepresentation
bin110001100001100…
…000000011000001
32010220102100100001
4301201200003001
53200200144401
6214240200001
726406145456
oct6141400301
92126370301
10830865601
11397002695
121b2309001
1310319bb67
147c4c182d
154ce22601
hex318600c1

830865601 has 4 divisors (see below), whose sum is σ = 831233412. Its totient is φ = 830497792.

The previous prime is 830865589. The next prime is 830865619. The reversal of 830865601 is 106568038.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284428225 + 546437376 = 16865^2 + 23376^2 .

It is a cyclic number.

It is not a de Polignac number, because 830865601 - 25 = 830865569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830865901) 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, 180496 + ... + 185041.

It is an arithmetic number, because the mean of its divisors is an integer number (207808353).

Almost surely, 2830865601 is an apocalyptic number.

It is an amenable number.

830865601 is a deficient number, since it is larger than the sum of its proper divisors (367811).

830865601 is a wasteful number, since it uses less digits than its factorization.

830865601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367810.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 830865601 is about 28824.7393917100. The cubic root of 830865601 is about 940.1062204547.

The spelling of 830865601 in words is "eight hundred thirty million, eight hundred sixty-five thousand, six hundred one".

Divisors: 1 2273 365537 830865601