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82090461 = 3269101723
BaseRepresentation
bin1001110010010…
…01100111011101
312201110121221110
410321021213131
5132003343321
612051252233
72014520535
oct471114735
9181417843
1082090461
1142379862
12235aa079
1314012a4b
14ac8c4c5
157318176
hex4e499dd

82090461 has 8 divisors (see below), whose sum is σ = 109861920. Its totient is φ = 54522992.

The previous prime is 82090451. The next prime is 82090493. The reversal of 82090461 is 16409028.

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 82090461 - 29 = 82089949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82090441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50055 + ... + 51668.

It is an arithmetic number, because the mean of its divisors is an integer number (13732740).

Almost surely, 282090461 is an apocalyptic number.

It is an amenable number.

82090461 is a deficient number, since it is larger than the sum of its proper divisors (27771459).

82090461 is a wasteful number, since it uses less digits than its factorization.

82090461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101995.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 82090461 is about 9060.3786344722. The cubic root of 82090461 is about 434.6078484586.

Adding to 82090461 its reverse (16409028), we get a palindrome (98499489).

The spelling of 82090461 in words is "eighty-two million, ninety thousand, four hundred sixty-one".

Divisors: 1 3 269 807 101723 305169 27363487 82090461