Search a number
-
+
8528000801 = 61001139801
BaseRepresentation
bin1111111000100111…
…01111011100100001
3211000022221022211112
413330103233130201
5114431132011201
63530120353105
7421221545045
oct77423573441
924008838745
108528000801
11368691a251
1217a0015795
13a5ba50228
145ac86c025
1534da450bb
hex1fc4ef721

8528000801 has 4 divisors (see below), whose sum is σ = 8528201604. Its totient is φ = 8527800000.

The previous prime is 8528000773. The next prime is 8528000807. The reversal of 8528000801 is 1080008258.

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 5917301776 + 2610699025 = 76924^2 + 51095^2 .

It is a cyclic number.

It is not a de Polignac number, because 8528000801 - 226 = 8460891937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8528000807) 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, 8900 + ... + 130901.

It is an arithmetic number, because the mean of its divisors is an integer number (2132050401).

Almost surely, 28528000801 is an apocalyptic number.

It is an amenable number.

8528000801 is a deficient number, since it is larger than the sum of its proper divisors (200803).

8528000801 is a wasteful number, since it uses less digits than its factorization.

8528000801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200802.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 8528000801 is about 92347.1753818166. The cubic root of 8528000801 is about 2043.0660674953.

The spelling of 8528000801 in words is "eight billion, five hundred twenty-eight million, eight hundred one", and thus it is an aban number.

Divisors: 1 61001 139801 8528000801