Search a number
-
+
82233421 = 318813011
BaseRepresentation
bin1001110011011…
…00100001001101
312201201220001021
410321230201031
5132022432141
612054314141
72015654404
oct471544115
9181656037
1082233421
1142467206
1223658951
1314062b3a
14acc863b
1573456d1
hex4e6c84d

82233421 has 8 divisors (see below), whose sum is σ = 85010688. Its totient is φ = 79464000.

The previous prime is 82233401. The next prime is 82233427. The reversal of 82233421 is 12433228.

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

It is a cyclic number.

It is not a de Polignac number, because 82233421 - 27 = 82233293 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 (82233427) 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, 25806 + ... + 28816.

It is an arithmetic number, because the mean of its divisors is an integer number (10626336).

Almost surely, 282233421 is an apocalyptic number.

It is an amenable number.

82233421 is a deficient number, since it is larger than the sum of its proper divisors (2777267).

82233421 is a wasteful number, since it uses less digits than its factorization.

82233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923.

The product of its digits is 2304, while the sum is 25.

The square root of 82233421 is about 9068.2644976864. The cubic root of 82233421 is about 434.8599910538.

Adding to 82233421 its reverse (12433228), we get a palindrome (94666649).

It can be divided in two parts, 822 and 33421, that added together give a palindrome (34243).

The spelling of 82233421 in words is "eighty-two million, two hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 31 881 3011 27311 93341 2652691 82233421