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85502101 = 257443751
BaseRepresentation
bin1010001100010…
…10100010010101
312221212221211111
411012022202111
5133342031401
612252335021
72055520156
oct506124225
9187787744
1085502101
1144299aa3
1224774471
1314938879
14b4d992d
15778de51
hex518a895

85502101 has 8 divisors (see below), whose sum is σ = 86143104. Its totient is φ = 84864000.

The previous prime is 85502093. The next prime is 85502119. The reversal of 85502101 is 10120558.

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 85502101 - 23 = 85502093 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 (85502171) 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 7 ways as a sum of consecutive naturals, for example, 113476 + ... + 114226.

It is an arithmetic number, because the mean of its divisors is an integer number (10767888).

Almost surely, 285502101 is an apocalyptic number.

It is an amenable number.

85502101 is a deficient number, since it is larger than the sum of its proper divisors (641003).

85502101 is a wasteful number, since it uses less digits than its factorization.

85502101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 85502101 is about 9246.7346128241. The cubic root of 85502101 is about 440.5470142216.

Adding to 85502101 its reverse (10120558), we get a palindrome (95622659).

The spelling of 85502101 in words is "eighty-five million, five hundred two thousand, one hundred one".

Divisors: 1 257 443 751 113851 193007 332693 85502101