Search a number
-
+
2820865070 = 25282086507
BaseRepresentation
bin1010100000100010…
…1111110000101110
321021120221210102002
42220020233300232
521234120140240
61143524532302
7126621646262
oct25010576056
97246853362
102820865070
111218339751
12668851092
1335c55433a
141ca8d60a2
151179abd15
hexa822fc2e

2820865070 has 8 divisors (see below), whose sum is σ = 5077557144. Its totient is φ = 1128346024.

The previous prime is 2820865031. The next prime is 2820865079. The reversal of 2820865070 is 705680282.

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

It is a super-2 number, since 2×28208650702 = 15914559486292209800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820865079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141043244 + ... + 141043263.

It is an arithmetic number, because the mean of its divisors is an integer number (634694643).

Almost surely, 22820865070 is an apocalyptic number.

2820865070 is a deficient number, since it is larger than the sum of its proper divisors (2256692074).

2820865070 is a wasteful number, since it uses less digits than its factorization.

2820865070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282086514.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2820865070 is about 53111.8166701159. The cubic root of 2820865070 is about 1412.9520950310.

The spelling of 2820865070 in words is "two billion, eight hundred twenty million, eight hundred sixty-five thousand, seventy".

Divisors: 1 2 5 10 282086507 564173014 1410432535 2820865070