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196051465 = 539210293
BaseRepresentation
bin10111010111110…
…00001000001001
3111122220110001101
423223320020021
5400142121330
631242021401
74600260421
oct1353701011
9448813041
10196051465
11a0736405
12557a7861
1331803cac
141c075481
15123294ca
hexbaf8209

196051465 has 4 divisors (see below), whose sum is σ = 235261764. Its totient is φ = 156841168.

The previous prime is 196051441. The next prime is 196051469. The reversal of 196051465 is 564150691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564150691 = 1343396207.

It can be written as a sum of positive squares in 2 ways, for example, as 38900169 + 157151296 = 6237^2 + 12536^2 .

It is a cyclic number.

It is not a de Polignac number, because 196051465 - 27 = 196051337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196051469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19605142 + ... + 19605151.

It is an arithmetic number, because the mean of its divisors is an integer number (58815441).

Almost surely, 2196051465 is an apocalyptic number.

It is an amenable number.

196051465 is a deficient number, since it is larger than the sum of its proper divisors (39210299).

196051465 is an equidigital number, since it uses as much as digits as its factorization.

196051465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39210298.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 196051465 is about 14001.8379150739. The cubic root of 196051465 is about 580.9294106006.

The spelling of 196051465 in words is "one hundred ninety-six million, fifty-one thousand, four hundred sixty-five".

Divisors: 1 5 39210293 196051465