Search a number
-
+
8065401 = 32688467
BaseRepresentation
bin11110110001000101111001
3120011202122120
4132301011321
54031043101
6444511453
7125361201
oct36610571
916152576
108065401
114609723
12284b589
131895136
1410dd401
15a94b36
hex7b1179

8065401 has 4 divisors (see below), whose sum is σ = 10753872. Its totient is φ = 5376932.

The previous prime is 8065399. The next prime is 8065417. The reversal of 8065401 is 1045608.

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 8065401 - 21 = 8065399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8065441) 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, 1344231 + ... + 1344236.

It is an arithmetic number, because the mean of its divisors is an integer number (2688468).

Almost surely, 28065401 is an apocalyptic number.

It is an amenable number.

8065401 is a deficient number, since it is larger than the sum of its proper divisors (2688471).

8065401 is a wasteful number, since it uses less digits than its factorization.

8065401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688470.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8065401 is about 2839.9649645726. The cubic root of 8065401 is about 200.5435298716.

The spelling of 8065401 in words is "eight million, sixty-five thousand, four hundred one".

Divisors: 1 3 2688467 8065401