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196769565 = 3254372657
BaseRepresentation
bin10111011101001…
…11011100011101
3111201020221002200
423232213130131
5400333111230
631305242113
74606341126
oct1356473435
9451227080
10196769565
11a1086983
1255a93339
13319c5ac5
141c1c104d
151241c160
hexbba771d

196769565 has 12 divisors (see below), whose sum is σ = 341067324. Its totient is φ = 104943744.

The previous prime is 196769563. The next prime is 196769569. The reversal of 196769565 is 565967691.

196769565 is a `hidden beast` number, since 1 + 9 + 6 + 76 + 9 + 565 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57198969 + 139570596 = 7563^2 + 11814^2 .

It is not a de Polignac number, because 196769565 - 21 = 196769563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196769563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2186284 + ... + 2186373.

It is an arithmetic number, because the mean of its divisors is an integer number (28422277).

Almost surely, 2196769565 is an apocalyptic number.

196769565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196769565 is a deficient number, since it is larger than the sum of its proper divisors (144297759).

196769565 is a wasteful number, since it uses less digits than its factorization.

196769565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372668 (or 4372665 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 196769565 is about 14027.4575386989. The cubic root of 196769565 is about 581.6378251158.

It can be divided in two parts, 19676 and 9565, that added together give a square (29241 = 1712).

The spelling of 196769565 in words is "one hundred ninety-six million, seven hundred sixty-nine thousand, five hundred sixty-five".

Divisors: 1 3 5 9 15 45 4372657 13117971 21863285 39353913 65589855 196769565