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196796945 = 5281140069
BaseRepresentation
bin10111011101011…
…10001000010001
3111201022022122202
423232232020101
5400340000240
631310012545
74606514012
oct1356561021
9451268582
10196796945
11a10a5504
1255aa7155
1331a053c7
141c1cb009
1512425315
hexbbae211

196796945 has 8 divisors (see below), whose sum is σ = 236998440. Its totient is φ = 156876160.

The previous prime is 196796933. The next prime is 196796983. The reversal of 196796945 is 549697691.

196796945 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 53348416 + 143448529 = 7304^2 + 11977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196796945 - 28 = 196796689 is a prime.

It is a super-2 number, since 2×1967969452 = 77458075122666050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68630 + ... + 71439.

It is an arithmetic number, because the mean of its divisors is an integer number (29624805).

Almost surely, 2196796945 is an apocalyptic number.

It is an amenable number.

196796945 is a deficient number, since it is larger than the sum of its proper divisors (40201495).

196796945 is a wasteful number, since it uses less digits than its factorization.

196796945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140355.

The product of its digits is 3674160, while the sum is 56.

The square root of 196796945 is about 14028.4334478230. The cubic root of 196796945 is about 581.6648016879.

The spelling of 196796945 in words is "one hundred ninety-six million, seven hundred ninety-six thousand, nine hundred forty-five".

Divisors: 1 5 281 1405 140069 700345 39359389 196796945