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8064145 = 52370123
BaseRepresentation
bin11110110000110010010001
3120011200221001
4132300302101
54031023040
6444502001
7125354425
oct36606221
916150831
108064145
114608791
12284a901
1318946ab
1410dcb85
15a9459a
hex7b0c91

8064145 has 8 divisors (see below), whose sum is σ = 10097856. Its totient is φ = 6170736.

The previous prime is 8064127. The next prime is 8064149. The reversal of 8064145 is 5414608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8064145 - 29 = 8063633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8064149) 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 7 ways as a sum of consecutive naturals, for example, 34947 + ... + 35176.

It is an arithmetic number, because the mean of its divisors is an integer number (1262232).

Almost surely, 28064145 is an apocalyptic number.

It is an amenable number.

8064145 is a deficient number, since it is larger than the sum of its proper divisors (2033711).

8064145 is a wasteful number, since it uses less digits than its factorization.

8064145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70151.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 8064145 is about 2839.7438264745. The cubic root of 8064145 is about 200.5331193229.

The spelling of 8064145 in words is "eight million, sixty-four thousand, one hundred forty-five".

Divisors: 1 5 23 115 70123 350615 1612829 8064145