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196915 = 539383
BaseRepresentation
bin110000000100110011
3101000010011
4300010303
522300130
64115351
71450045
oct600463
9330104
10196915
11124a44
1295b57
136b824
1451a95
153d52a
hex30133

196915 has 4 divisors (see below), whose sum is σ = 236304. Its totient is φ = 157528.

The previous prime is 196907. The next prime is 196919. The reversal of 196915 is 519691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196915 - 23 = 196907 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19687 + ... + 19696.

It is an arithmetic number, because the mean of its divisors is an integer number (59076).

2196915 is an apocalyptic number.

196915 is a deficient number, since it is larger than the sum of its proper divisors (39389).

196915 is an equidigital number, since it uses as much as digits as its factorization.

196915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39388.

The product of its digits is 2430, while the sum is 31.

The square root of 196915 is about 443.7510563368. The cubic root of 196915 is about 58.1781088574.

It can be divided in two parts, 196 and 915, that added together give a palindrome (1111).

The spelling of 196915 in words is "one hundred ninety-six thousand, nine hundred fifteen".

Divisors: 1 5 39383 196915