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830197 = 6712391
BaseRepresentation
bin11001010101011110101
31120011211001
43022223311
5203031242
625443301
710025254
oct3125365
91504731
10830197
11517815
12340531
13230b54
1417879b
15115eb7
hexcaaf5

830197 has 4 divisors (see below), whose sum is σ = 842656. Its totient is φ = 817740.

The previous prime is 830191. The next prime is 830233. The reversal of 830197 is 791038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 830197 - 215 = 797429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830191) 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, 6129 + ... + 6262.

It is an arithmetic number, because the mean of its divisors is an integer number (210664).

2830197 is an apocalyptic number.

It is an amenable number.

830197 is a deficient number, since it is larger than the sum of its proper divisors (12459).

830197 is a wasteful number, since it uses less digits than its factorization.

830197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 830197 is about 911.1514692959. The cubic root of 830197 is about 93.9853983657.

The spelling of 830197 in words is "eight hundred thirty thousand, one hundred ninety-seven".

Divisors: 1 67 12391 830197