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196631 = 1979131
BaseRepresentation
bin110000000000010111
3100222201122
4300000113
522243011
64114155
71446161
oct600027
9328648
10196631
11124806
129595b
136b666
1451931
153d3db
hex30017

196631 has 8 divisors (see below), whose sum is σ = 211200. Its totient is φ = 182520.

The previous prime is 196613. The next prime is 196643. The reversal of 196631 is 136691.

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 196631 - 214 = 180247 is a prime.

It is a super-2 number, since 2×1966312 = 77327500322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196661) 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, 1436 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (26400).

2196631 is an apocalyptic number.

196631 is a deficient number, since it is larger than the sum of its proper divisors (14569).

196631 is a wasteful number, since it uses less digits than its factorization.

196631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229.

The product of its digits is 972, while the sum is 26.

The square root of 196631 is about 443.4309416358. The cubic root of 196631 is about 58.1501263396.

The spelling of 196631 in words is "one hundred ninety-six thousand, six hundred thirty-one".

Divisors: 1 19 79 131 1501 2489 10349 196631