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196486747 = 1491318703
BaseRepresentation
bin10111011011000…
…10011001011011
3111200201120010221
423231202121123
5400300033442
631255220511
74604052442
oct1355423133
9450646127
10196486747
11a0a03446
1255977737
1331927162
141c149d59
15123b3467
hexbb6265b

196486747 has 4 divisors (see below), whose sum is σ = 197805600. Its totient is φ = 195167896.

The previous prime is 196486699. The next prime is 196486751. The reversal of 196486747 is 747684691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-196486747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196486694 and 196486703.

It is not an unprimeable number, because it can be changed into a prime (196486757) 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, 659203 + ... + 659500.

It is an arithmetic number, because the mean of its divisors is an integer number (49451400).

Almost surely, 2196486747 is an apocalyptic number.

196486747 is a deficient number, since it is larger than the sum of its proper divisors (1318853).

196486747 is a wasteful number, since it uses less digits than its factorization.

196486747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318852.

The product of its digits is 2032128, while the sum is 52.

The square root of 196486747 is about 14017.3730420504. The cubic root of 196486747 is about 581.3590277307.

The spelling of 196486747 in words is "one hundred ninety-six million, four hundred eighty-six thousand, seven hundred forty-seven".

Divisors: 1 149 1318703 196486747