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838197 = 3293133
BaseRepresentation
bin11001100101000110101
31120120210100
43030220311
5203310242
625544313
710060503
oct3145065
91516710
10838197
11522828
12345099
13234699
1417b673
1511854c
hexcca35

838197 has 6 divisors (see below), whose sum is σ = 1210742. Its totient is φ = 558792.

The previous prime is 838193. The next prime is 838207. The reversal of 838197 is 791838.

838197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 599076 + 239121 = 774^2 + 489^2 .

It is not a de Polignac number, because 838197 - 22 = 838193 is a prime.

It is a Duffinian number.

838197 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46558 + ... + 46575.

2838197 is an apocalyptic number.

It is an amenable number.

838197 is a deficient number, since it is larger than the sum of its proper divisors (372545).

838197 is a wasteful number, since it uses less digits than its factorization.

838197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93139 (or 93136 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 838197 is about 915.5309934677. The cubic root of 838197 is about 94.2863232940.

It can be divided in two parts, 838 and 197, that added together give a triangular number (1035 = T45).

The spelling of 838197 in words is "eight hundred thirty-eight thousand, one hundred ninety-seven".

Divisors: 1 3 9 93133 279399 838197