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8069401 = 13675903
BaseRepresentation
bin11110110010000100011001
3120011222010201
4132302010121
54031210101
6444542201
7125405644
oct36620431
916158121
108069401
11461172a
122851961
131896bc2
141100a5b
15a95e01
hex7b2119

8069401 has 4 divisors (see below), whose sum is σ = 8076672. Its totient is φ = 8062132.

The previous prime is 8069381. The next prime is 8069417. The reversal of 8069401 is 1049608.

8069401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8069401 - 219 = 7545113 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 8069401.

It is not an unprimeable number, because it can be changed into a prime (8069431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585 + ... + 4318.

It is an arithmetic number, because the mean of its divisors is an integer number (2019168).

Almost surely, 28069401 is an apocalyptic number.

It is an amenable number.

8069401 is a deficient number, since it is larger than the sum of its proper divisors (7271).

8069401 is a wasteful number, since it uses less digits than its factorization.

8069401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7270.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8069401 is about 2840.6691113187. The cubic root of 8069401 is about 200.5766772851.

The spelling of 8069401 in words is "eight million, sixty-nine thousand, four hundred one".

Divisors: 1 1367 5903 8069401