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196715005 = 539343001
BaseRepresentation
bin10111011100110…
…10000111111101
3111201011011020221
423232122013331
5400324340010
631304141341
74606023064
oct1356320775
9451134227
10196715005
11a1049993
1255a67851
13319a7016
141c1a91db
151240adda
hexbb9a1fd

196715005 has 4 divisors (see below), whose sum is σ = 236058012. Its totient is φ = 157372000.

The previous prime is 196715003. The next prime is 196715017. The reversal of 196715005 is 500517691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500517691 = 1748928619.

It can be written as a sum of positive squares in 2 ways, for example, as 77053284 + 119661721 = 8778^2 + 10939^2 .

It is not a de Polignac number, because 196715005 - 21 = 196715003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196715003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19671496 + ... + 19671505.

It is an arithmetic number, because the mean of its divisors is an integer number (59014503).

Almost surely, 2196715005 is an apocalyptic number.

It is an amenable number.

196715005 is a deficient number, since it is larger than the sum of its proper divisors (39343007).

196715005 is an equidigital number, since it uses as much as digits as its factorization.

196715005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39343006.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 196715005 is about 14025.5126466023. The cubic root of 196715005 is about 581.5840615620.

The spelling of 196715005 in words is "one hundred ninety-six million, seven hundred fifteen thousand, five".

Divisors: 1 5 39343001 196715005