Search a number
-
+
82662901 = 194350679
BaseRepresentation
bin1001110110101…
…01010111110101
312202112201011221
410323111113311
5132130203101
612111430341
72022423466
oct473252765
9182481157
1082662901
114272a952
12238253b1
1314183479
14ad9ad6d
1573ccaa1
hex4ed55f5

82662901 has 4 divisors (see below), whose sum is σ = 87013600. Its totient is φ = 78312204.

The previous prime is 82662871. The next prime is 82662911. The reversal of 82662901 is 10926628.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82662901 - 219 = 82138613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82662911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175321 + ... + 2175358.

It is an arithmetic number, because the mean of its divisors is an integer number (21753400).

Almost surely, 282662901 is an apocalyptic number.

It is an amenable number.

82662901 is a deficient number, since it is larger than the sum of its proper divisors (4350699).

82662901 is a wasteful number, since it uses less digits than its factorization.

82662901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350698.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 82662901 is about 9091.9140449083. The cubic root of 82662901 is about 435.6157238216.

The spelling of 82662901 in words is "eighty-two million, six hundred sixty-two thousand, nine hundred one".

Divisors: 1 19 4350679 82662901