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196417 = 1329521
BaseRepresentation
bin101111111101000001
3100222102201
4233331001
522241132
64113201
71445434
oct577501
9328381
10196417
11124631
1295801
136b530
145181b
153d2e7
hex2ff41

196417 has 8 divisors (see below), whose sum is σ = 219240. Its totient is φ = 174720.

The previous prime is 196387. The next prime is 196429. The reversal of 196417 is 714691.

It can be written as a sum of positive squares in 4 ways, for example, as 1936 + 194481 = 44^2 + 441^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-196417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196477) 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, 117 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (27405).

2196417 is an apocalyptic number.

It is an amenable number.

196417 is a deficient number, since it is larger than the sum of its proper divisors (22823).

196417 is a wasteful number, since it uses less digits than its factorization.

196417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

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

The square root of 196417 is about 443.1895756897. The cubic root of 196417 is about 58.1290231154.

The spelling of 196417 in words is "one hundred ninety-six thousand, four hundred seventeen".

Divisors: 1 13 29 377 521 6773 15109 196417