Search a number
-
+
82207946 = 21913715791
BaseRepresentation
bin1001110011001…
…10010011001010
312201200121002202
410321212103022
5132021123241
612054000202
72015520212
oct471462312
9181617082
1082207946
114244a057
1223646062
1314054372
14acbd242
15733cd9b
hex4e664ca

82207946 has 16 divisors (see below), whose sum is σ = 130757760. Its totient is φ = 38653920.

The previous prime is 82207943. The next prime is 82207949. The reversal of 82207946 is 64970228.

It is an interprime number because it is at equal distance from previous prime (82207943) and next prime (82207949).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (82207943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690 + ... + 13101.

It is an arithmetic number, because the mean of its divisors is an integer number (8172360).

Almost surely, 282207946 is an apocalyptic number.

82207946 is a deficient number, since it is larger than the sum of its proper divisors (48549814).

82207946 is a wasteful number, since it uses less digits than its factorization.

82207946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15949.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 82207946 is about 9066.8597651006. The cubic root of 82207946 is about 434.8150814851.

The spelling of 82207946 in words is "eighty-two million, two hundred seven thousand, nine hundred forty-six".

Divisors: 1 2 19 38 137 274 2603 5206 15791 31582 300029 600058 2163367 4326734 41103973 82207946