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8078801 = 28328547
BaseRepresentation
bin11110110100010111010001
3120012110000212
4132310113101
54032010201
6445053505
7125445233
oct36642721
916173025
108078801
1146187a5
122857295
13189b273
141104253
15a98abb
hex7b45d1

8078801 has 4 divisors (see below), whose sum is σ = 8107632. Its totient is φ = 8049972.

The previous prime is 8078767. The next prime is 8078827. The reversal of 8078801 is 1088708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8078801 - 222 = 3884497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8078831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13991 + ... + 14556.

It is an arithmetic number, because the mean of its divisors is an integer number (2026908).

Almost surely, 28078801 is an apocalyptic number.

It is an amenable number.

8078801 is a deficient number, since it is larger than the sum of its proper divisors (28831).

8078801 is a wasteful number, since it uses less digits than its factorization.

8078801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28830.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 8078801 is about 2842.3231695217. The cubic root of 8078801 is about 200.6545306117.

The spelling of 8078801 in words is "eight million, seventy-eight thousand, eight hundred one".

Divisors: 1 283 28547 8078801