Search a number
-
+
82718701 = 1329313701
BaseRepresentation
bin1001110111000…
…10111111101101
312202122112201121
410323202333231
5132133444301
612112540541
72023045252
oct473427755
9182575647
1082718701
114276886a
1223851751
13141a29a0
14adb3429
1573de3a1
hex4ee2fed

82718701 has 16 divisors (see below), whose sum is σ = 92579760. Its totient is φ = 73382400.

The previous prime is 82718677. The next prime is 82718707. The reversal of 82718701 is 10781728.

It can be written as a sum of positive squares in 8 ways, for example, as 8844676 + 73874025 = 2974^2 + 8595^2 .

It is a de Polignac number, because none of the positive numbers 2k-82718701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82718707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117651 + ... + 118351.

It is an arithmetic number, because the mean of its divisors is an integer number (5786235).

Almost surely, 282718701 is an apocalyptic number.

It is an amenable number.

82718701 is a deficient number, since it is larger than the sum of its proper divisors (9861059).

82718701 is a wasteful number, since it uses less digits than its factorization.

82718701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 82718701 is about 9094.9821879980. The cubic root of 82718701 is about 435.7137197776.

The spelling of 82718701 in words is "eighty-two million, seven hundred eighteen thousand, seven hundred one".

Divisors: 1 13 29 313 377 701 4069 9077 9113 20329 118001 219413 264277 2852369 6362977 82718701