Search a number
-
+
85093247 = 391921713
BaseRepresentation
bin1010001001001…
…10101101111111
312221010011222202
411010212231333
5133240440442
612235502115
72052165161
oct504465577
9187104882
1085093247
114403a8a8
12245b793b
1314824745
14b430931
15770cc32
hex5126b7f

85093247 has 4 divisors (see below), whose sum is σ = 85118880. Its totient is φ = 85067616.

The previous prime is 85093241. The next prime is 85093273. The reversal of 85093247 is 74239058.

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

It is a cyclic number.

It is not a de Polignac number, because 85093247 - 210 = 85092223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85093247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85093241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6938 + ... + 14775.

It is an arithmetic number, because the mean of its divisors is an integer number (21279720).

Almost surely, 285093247 is an apocalyptic number.

85093247 is a deficient number, since it is larger than the sum of its proper divisors (25633).

85093247 is a wasteful number, since it uses less digits than its factorization.

85093247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25632.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 85093247 is about 9224.6000997333. The cubic root of 85093247 is about 439.8436893117.

The spelling of 85093247 in words is "eighty-five million, ninety-three thousand, two hundred forty-seven".

Divisors: 1 3919 21713 85093247