Search a number
-
+
272144242 = 2641212281
BaseRepresentation
bin10000001110001…
…001011101110010
3200222002100201101
4100032021131302
51024132103432
643000555014
76513121306
oct2016113562
9628070641
10272144242
1112a688aa7
1277182a6a
13444c6ac6
1428201d06
1518d5a4e7
hex10389772

272144242 has 8 divisors (see below), whose sum is σ = 408855132. Its totient is φ = 135859200.

The previous prime is 272144237. The next prime is 272144251. The reversal of 272144242 is 242441272.

It can be written as a sum of positive squares in 2 ways, for example, as 200250801 + 71893441 = 14151^2 + 8479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 272144242.

It is an unprimeable number.

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, 104859 + ... + 107422.

Almost surely, 2272144242 is an apocalyptic number.

272144242 is a deficient number, since it is larger than the sum of its proper divisors (136710890).

272144242 is a wasteful number, since it uses less digits than its factorization.

272144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212924.

The product of its digits is 7168, while the sum is 28.

The square root of 272144242 is about 16496.7949008285. The cubic root of 272144242 is about 648.0368714096.

The spelling of 272144242 in words is "two hundred seventy-two million, one hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 641 1282 212281 424562 136072121 272144242