Search a number
-
+
82001315 = 5111490933
BaseRepresentation
bin1001110001100…
…11110110100011
312201022002122202
410320303312203
5131443020230
612045323415
72013666614
oct470636643
9181262582
1082001315
1142318890
122356656b
1313cb12b6
14ac67c0b
1572eba45
hex4e33da3

82001315 has 8 divisors (see below), whose sum is σ = 107347248. Its totient is φ = 59637280.

The previous prime is 82001291. The next prime is 82001329. The reversal of 82001315 is 51310028.

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

It is not a de Polignac number, because 82001315 - 210 = 82000291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745412 + ... + 745521.

It is an arithmetic number, because the mean of its divisors is an integer number (13418406).

Almost surely, 282001315 is an apocalyptic number.

82001315 is a deficient number, since it is larger than the sum of its proper divisors (25345933).

82001315 is a wasteful number, since it uses less digits than its factorization.

82001315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490949.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 82001315 is about 9055.4577465747. The cubic root of 82001315 is about 434.4504709194.

It can be divided in two parts, 820013 and 15, that added together give a palindrome (820028).

The spelling of 82001315 in words is "eighty-two million, one thousand, three hundred fifteen".

Divisors: 1 5 11 55 1490933 7454665 16400263 82001315