Search a number
-
+
2078065 = 51137783
BaseRepresentation
bin111111011010101110001
310220120120101
413323111301
51012444230
6112312401
723443333
oct7732561
93816511
102078065
11119a310
12842701
13579b32
143c1453
152b0aca
hex1fb571

2078065 has 8 divisors (see below), whose sum is σ = 2720448. Its totient is φ = 1511280.

The previous prime is 2078059. The next prime is 2078081. The reversal of 2078065 is 5608702.

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-2078065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18837 + ... + 18946.

It is an arithmetic number, because the mean of its divisors is an integer number (340056).

22078065 is an apocalyptic number.

It is an amenable number.

2078065 is a deficient number, since it is larger than the sum of its proper divisors (642383).

2078065 is a wasteful number, since it uses less digits than its factorization.

2078065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37799.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2078065 is about 1441.5495135444. The cubic root of 2078065 is about 127.6104898954.

The spelling of 2078065 in words is "two million, seventy-eight thousand, sixty-five".

Divisors: 1 5 11 55 37783 188915 415613 2078065