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196522849 = 79231489
BaseRepresentation
bin10111011011010…
…11001101100001
3111200210101200001
423231223031201
5400302212344
631300100001
74604262625
oct1355531541
9450711601
10196522849
11a0a28586
1255994601
133193a713
141c159185
15123bded4
hexbb6b361

196522849 has 6 divisors (see below), whose sum is σ = 199048290. Its totient is φ = 194029056.

The previous prime is 196522831. The next prime is 196522861. The reversal of 196522849 is 948225691.

It can be written as a sum of positive squares in only one way, i.e., 174055249 + 22467600 = 13193^2 + 4740^2 .

It is not a de Polignac number, because 196522849 - 213 = 196514657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196522799 and 196522808.

It is not an unprimeable number, because it can be changed into a prime (196522819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9504 + ... + 21985.

It is an arithmetic number, because the mean of its divisors is an integer number (33174715).

Almost surely, 2196522849 is an apocalyptic number.

It is an amenable number.

196522849 is a deficient number, since it is larger than the sum of its proper divisors (2525441).

196522849 is an frugal number, since it uses more digits than its factorization.

196522849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31647 (or 31568 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 196522849 is about 14018.6607420253. The cubic root of 196522849 is about 581.3946313845.

The spelling of 196522849 in words is "one hundred ninety-six million, five hundred twenty-two thousand, eight hundred forty-nine".

Divisors: 1 79 6241 31489 2487631 196522849