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196984745 = 539396949
BaseRepresentation
bin10111011110110…
…11111110101001
3111201122212021022
423233123332221
5400412002440
631314022225
74611225356
oct1357337651
9451585238
10196984745
11a1213611
1255b77975
1331a6ca29
141c23962d
1512460cb5
hexbbdbfa9

196984745 has 4 divisors (see below), whose sum is σ = 236381700. Its totient is φ = 157587792.

The previous prime is 196984717. The next prime is 196984759. The reversal of 196984745 is 547489691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33860761 + 163123984 = 5819^2 + 12772^2 .

It is a cyclic number.

It is not a de Polignac number, because 196984745 - 216 = 196919209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19698470 + ... + 19698479.

It is an arithmetic number, because the mean of its divisors is an integer number (59095425).

Almost surely, 2196984745 is an apocalyptic number.

It is an amenable number.

196984745 is a deficient number, since it is larger than the sum of its proper divisors (39396955).

196984745 is an equidigital number, since it uses as much as digits as its factorization.

196984745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39396954.

The product of its digits is 2177280, while the sum is 53.

The square root of 196984745 is about 14035.1254002235. The cubic root of 196984745 is about 581.8497671618.

The spelling of 196984745 in words is "one hundred ninety-six million, nine hundred eighty-four thousand, seven hundred forty-five".

Divisors: 1 5 39396949 196984745