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196401 = 3173851
BaseRepresentation
bin101111111100110001
3100222102010
4233330301
522241101
64113133
71445412
oct577461
9328363
10196401
11124617
12957a9
136b51a
1451809
153d2d6
hex2ff31

196401 has 8 divisors (see below), whose sum is σ = 277344. Its totient is φ = 123200.

The previous prime is 196387. The next prime is 196429. The reversal of 196401 is 104691.

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 196401 - 26 = 196337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196201) 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, 1875 + ... + 1976.

It is an arithmetic number, because the mean of its divisors is an integer number (34668).

2196401 is an apocalyptic number.

It is an amenable number.

196401 is a deficient number, since it is larger than the sum of its proper divisors (80943).

196401 is a wasteful number, since it uses less digits than its factorization.

196401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 196401 is about 443.1715243560. The cubic root of 196401 is about 58.1274446885.

The spelling of 196401 in words is "one hundred ninety-six thousand, four hundred one".

Divisors: 1 3 17 51 3851 11553 65467 196401