Search a number
-
+
330281057 = 1577013001
BaseRepresentation
bin10011101011111…
…011000001100001
3212000111000102202
4103223323001201
51134022443212
652435022545
711120225351
oct2353730141
9760430382
10330281057
1115a487057
129273aa55
13535709a2
1431c16b61
151dee10c2
hex13afb061

330281057 has 8 divisors (see below), whose sum is σ = 332969832. Its totient is φ = 327600000.

The previous prime is 330281053. The next prime is 330281071. The reversal of 330281057 is 750182033.

It can be written as a sum of positive squares in 4 ways, for example, as 78074896 + 252206161 = 8836^2 + 15881^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 330281057 - 22 = 330281053 is a prime.

It is a super-2 number, since 2×3302810572 = 218171153226074498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330281053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108557 + ... + 111557.

It is an arithmetic number, because the mean of its divisors is an integer number (41621229).

Almost surely, 2330281057 is an apocalyptic number.

It is an amenable number.

330281057 is a deficient number, since it is larger than the sum of its proper divisors (2688775).

330281057 is a wasteful number, since it uses less digits than its factorization.

330281057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 330281057 is about 18173.6363174792. The cubic root of 330281057 is about 691.2384514550.

The spelling of 330281057 in words is "three hundred thirty million, two hundred eighty-one thousand, fifty-seven".

Divisors: 1 157 701 3001 110057 471157 2103701 330281057