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196615105 = 556969109
BaseRepresentation
bin10111011100000…
…01101111000001
3111200222002012221
423232001233001
5400313140410
631302051041
74605125611
oct1356015701
9450862187
10196615105
11a0a90925
1255a19a81
13319706cb
141c180a41
15123db4da
hexbb81bc1

196615105 has 8 divisors (see below), whose sum is σ = 236356200. Its totient is φ = 157013376.

The previous prime is 196615103. The next prime is 196615123. The reversal of 196615105 is 501516691.

196615105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6395841 + 190219264 = 2529^2 + 13792^2 .

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 196615105 - 21 = 196615103 is a prime.

It is a super-2 number, since 2×1966151052 = 77314999028322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196615103) 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, 31710 + ... + 37399.

It is an arithmetic number, because the mean of its divisors is an integer number (29544525).

Almost surely, 2196615105 is an apocalyptic number.

It is an amenable number.

196615105 is a deficient number, since it is larger than the sum of its proper divisors (39741095).

196615105 is an equidigital number, since it uses as much as digits as its factorization.

196615105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69683.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 196615105 is about 14021.9508271852. The cubic root of 196615105 is about 581.4855940934.

It can be divided in two parts, 1966 and 15105, that added together give a palindrome (17071).

The spelling of 196615105 in words is "one hundred ninety-six million, six hundred fifteen thousand, one hundred five".

Divisors: 1 5 569 2845 69109 345545 39323021 196615105