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84260101 = 211339877
BaseRepresentation
bin1010000010110…
…11010100000101
312212112212010111
411001123110011
5133032310401
612205553021
72042125162
oct501332405
9185485114
1084260101
1143620952
1224275771
13145c2463
14b295069
1575e5e51
hex505b505

84260101 has 4 divisors (see below), whose sum is σ = 84302092. Its totient is φ = 84218112.

The previous prime is 84260053. The next prime is 84260119. The reversal of 84260101 is 10106248.

84260101 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3709476 + 80550625 = 1926^2 + 8975^2 .

It is a cyclic number.

It is not a de Polignac number, because 84260101 - 29 = 84259589 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 (84260131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17826 + ... + 22051.

It is an arithmetic number, because the mean of its divisors is an integer number (21075523).

Almost surely, 284260101 is an apocalyptic number.

It is an amenable number.

84260101 is a deficient number, since it is larger than the sum of its proper divisors (41991).

84260101 is a wasteful number, since it uses less digits than its factorization.

84260101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41990.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 84260101 is about 9179.3300953828. The cubic root of 84260101 is about 438.4034789054.

Adding to 84260101 its reverse (10106248), we get a palindrome (94366349).

The spelling of 84260101 in words is "eighty-four million, two hundred sixty thousand, one hundred one".

Divisors: 1 2113 39877 84260101