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814197 = 31272137
BaseRepresentation
bin11000110110001110101
31112100212110
43012301311
5202023242
625241233
76630516
oct3066165
91470773
10814197
1150679a
12333219
13226797
14172a0d
1511139c
hexc6c75

814197 has 8 divisors (see below), whose sum is σ = 1094656. Its totient is φ = 538272.

The previous prime is 814193. The next prime is 814199. The reversal of 814197 is 791418.

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

It is not a de Polignac number, because 814197 - 22 = 814193 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688 + ... + 1449.

It is an arithmetic number, because the mean of its divisors is an integer number (136832).

2814197 is an apocalyptic number.

It is an amenable number.

814197 is a deficient number, since it is larger than the sum of its proper divisors (280459).

814197 is a wasteful number, since it uses less digits than its factorization.

814197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267.

The product of its digits is 2016, while the sum is 30.

The square root of 814197 is about 902.3286540945. The cubic root of 814197 is about 93.3776985792.

It can be divided in two parts, 81 and 4197, that added together give a triangular number (4278 = T92).

The spelling of 814197 in words is "eight hundred fourteen thousand, one hundred ninety-seven".

Divisors: 1 3 127 381 2137 6411 271399 814197