Search a number
-
+
275321272 = 231071811777
BaseRepresentation
bin10000011010010…
…001000110111000
3201012001202210011
4100122101012320
51030440240042
643153031304
76552122632
oct2032210670
9635052704
10275321272
11131458a46
1278255534
1345069bc5
14287cba52
1519286a17
hex106911b8

275321272 has 32 divisors (see below), whose sum is σ = 524225520. Its totient is φ = 135544320.

The previous prime is 275321269. The next prime is 275321279. The reversal of 275321272 is 272123572.

It is a super-3 number, since 3×2753212723 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275321279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154048 + ... + 155824.

Almost surely, 2275321272 is an apocalyptic number.

It is an amenable number.

275321272 is a deficient number, since it is larger than the sum of its proper divisors (248904248).

275321272 is a wasteful number, since it uses less digits than its factorization.

275321272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2067 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 275321272 is about 16592.8078395430. The cubic root of 275321272 is about 650.5488634281.

It can be divided in two parts, 2753 and 21272, that added together give a square (24025 = 1552).

The spelling of 275321272 in words is "two hundred seventy-five million, three hundred twenty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 107 181 214 362 428 724 856 1448 1777 3554 7108 14216 19367 38734 77468 154936 190139 321637 380278 643274 760556 1286548 1521112 2573096 34415159 68830318 137660636 275321272