Search a number
-
+
276320286 = 232111395557
BaseRepresentation
bin10000011110000…
…101000000011110
3201020221112011200
4100132011000132
51031214222121
643230300330
76563453334
oct2036050036
9636845150
10276320286
11131a80580
12786576a6
1345329838
14289abb54
15193d2a26
hex1078501e

276320286 has 24 divisors (see below), whose sum is σ = 653121144. Its totient is φ = 83733360.

The previous prime is 276320243. The next prime is 276320293. The reversal of 276320286 is 682023672.

276320286 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 276320286.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 697581 + ... + 697976.

It is an arithmetic number, because the mean of its divisors is an integer number (27213381).

Almost surely, 2276320286 is an apocalyptic number.

276320286 is an abundant number, since it is smaller than the sum of its proper divisors (376800858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276320286 is a wasteful number, since it uses less digits than its factorization.

276320286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395576 (or 1395573 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 276320286 is about 16622.8844067448. The cubic root of 276320286 is about 651.3347609686.

The spelling of 276320286 in words is "two hundred seventy-six million, three hundred twenty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 1395557 2791114 4186671 8373342 12560013 15351127 25120026 30702254 46053381 92106762 138160143 276320286