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8245801 = 8399347
BaseRepresentation
bin11111011101001000101001
3120111221010001
4133131020221
54102331201
6452423001
7130042144
oct37351051
916457101
108245801
114722213
122917a61
131929295
14114905b
15acd301
hex7dd229

8245801 has 4 divisors (see below), whose sum is σ = 8345232. Its totient is φ = 8146372.

The previous prime is 8245789. The next prime is 8245807. The reversal of 8245801 is 1085428.

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 8245801 - 27 = 8245673 is a prime.

It is a Duffinian number.

8245801 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8245801.

It is not an unprimeable number, because it can be changed into a prime (8245807) 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, 49591 + ... + 49756.

It is an arithmetic number, because the mean of its divisors is an integer number (2086308).

Almost surely, 28245801 is an apocalyptic number.

It is an amenable number.

8245801 is a deficient number, since it is larger than the sum of its proper divisors (99431).

8245801 is an equidigital number, since it uses as much as digits as its factorization.

8245801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99430.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 8245801 is about 2871.5502781599. The cubic root of 8245801 is about 202.0277140683.

The spelling of 8245801 in words is "eight million, two hundred forty-five thousand, eight hundred one".

Divisors: 1 83 99347 8245801