Search a number
-
+
1996192229 = 3151763337
BaseRepresentation
bin111011011111011…
…0111100111100101
312011010012001221112
41312332313213211
513042011122404
6530025154405
7100316232263
oct16676674745
95133161845
101996192229
11934886849
1247862ba05
1325a743145
1414d187433
15ba3ae56e
hex76fb79e5

1996192229 has 4 divisors (see below), whose sum is σ = 1996287084. Its totient is φ = 1996097376.

The previous prime is 1996192183. The next prime is 1996192259. The reversal of 1996192229 is 9222916991.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9222916991 = 36972494703.

It can be written as a sum of positive squares in 2 ways, for example, as 378302500 + 1617889729 = 19450^2 + 40223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1996192229 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 (1996192259) 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, 152 + ... + 63185.

It is an arithmetic number, because the mean of its divisors is an integer number (499071771).

Almost surely, 21996192229 is an apocalyptic number.

It is an amenable number.

1996192229 is a deficient number, since it is larger than the sum of its proper divisors (94855).

1996192229 is an equidigital number, since it uses as much as digits as its factorization.

1996192229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94854.

The product of its digits is 314928, while the sum is 50.

The square root of 1996192229 is about 44678.7670935535. The cubic root of 1996192229 is about 1259.1209601141.

The spelling of 1996192229 in words is "one billion, nine hundred ninety-six million, one hundred ninety-two thousand, two hundred twenty-nine".

Divisors: 1 31517 63337 1996192229