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830365 = 5179769
BaseRepresentation
bin11001010101110011101
31120012001021
43022232131
5203032430
625444141
710025614
oct3125635
91505037
10830365
11517958
12340651
13230c53
1417887b
1511607a
hexcab9d

830365 has 8 divisors (see below), whose sum is σ = 1055160. Its totient is φ = 625152.

The previous prime is 830363. The next prime is 830383. The reversal of 830365 is 563038.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 710649 = 346^2 + 843^2 .

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 830365 - 21 = 830363 is a prime.

It is an alternating number because its digits alternate between even and odd.

830365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830363) 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, 4800 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (131895).

2830365 is an apocalyptic number.

830365 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

830365 is a deficient number, since it is larger than the sum of its proper divisors (224795).

830365 is a wasteful number, since it uses less digits than its factorization.

830365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 830365 is about 911.2436556706. The cubic root of 830365 is about 93.9917376169.

The spelling of 830365 in words is "eight hundred thirty thousand, three hundred sixty-five".

Divisors: 1 5 17 85 9769 48845 166073 830365