Search a number
-
+
2064815 = 5503821
BaseRepresentation
bin111111000000110101111
310212220101122
413320012233
51012033230
6112131155
723356604
oct7700657
93786348
102064815
111190365
12836abb
13573aac
143ba6ab
152abbe5
hex1f81af

2064815 has 8 divisors (see below), whose sum is σ = 2485728. Its totient is φ = 1646560.

The previous prime is 2064809. The next prime is 2064833. The reversal of 2064815 is 5184602.

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

It is a de Polignac number, because none of the positive numbers 2k-2064815 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2105 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (310716).

22064815 is an apocalyptic number.

2064815 is a deficient number, since it is larger than the sum of its proper divisors (420913).

2064815 is an equidigital number, since it uses as much as digits as its factorization.

2064815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2064815 is about 1436.9464151457. The cubic root of 2064815 is about 127.3386913004.

The spelling of 2064815 in words is "two million, sixty-four thousand, eight hundred fifteen".

Divisors: 1 5 503 821 2515 4105 412963 2064815