Search a number
-
+
276322930 = 251317971289
BaseRepresentation
bin10000011110000…
…101101001110010
3201020221122210121
4100132011221302
51031214313210
643230320454
76563464132
oct2036055162
9636848717
10276322930
11131a82564
127865912a
134532aac0
14289acac2
15193d36da
hex10785a72

276322930 has 64 divisors (see below), whose sum is σ = 573441120. Its totient is φ = 94961664.

The previous prime is 276322927. The next prime is 276322931. The reversal of 276322930 is 39223672.

It can be written as a sum of positive squares in 16 ways, for example, as 45252529 + 231070401 = 6727^2 + 15201^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (276322931) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 213726 + ... + 215014.

Almost surely, 2276322930 is an apocalyptic number.

276322930 is an abundant number, since it is smaller than the sum of its proper divisors (297118190).

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

276322930 is a wasteful number, since it uses less digits than its factorization.

276322930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 276322930 is about 16622.9639354719. The cubic root of 276322930 is about 651.3368384172.

The spelling of 276322930 in words is "two hundred seventy-six million, three hundred twenty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 17 26 34 65 85 97 130 170 194 221 442 485 970 1105 1261 1289 1649 2210 2522 2578 3298 6305 6445 8245 12610 12890 16490 16757 21437 21913 33514 42874 43826 83785 107185 109565 125033 167570 214370 219130 250066 284869 569738 625165 1250330 1424345 1625429 2125561 2848690 3250858 4251122 8127145 10627805 16254290 21255610 27632293 55264586 138161465 276322930