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2078086 = 21039043
BaseRepresentation
bin111111011010110000110
310220120121011
413323112012
51012444321
6112312434
723443363
oct7732606
93816534
102078086
11119a32a
1284271a
13579b4a
143c146a
152b0ae1
hex1fb586

2078086 has 4 divisors (see below), whose sum is σ = 3117132. Its totient is φ = 1039042.

The previous prime is 2078081. The next prime is 2078093. The reversal of 2078086 is 6808702.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078081) 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 as a sum of consecutive naturals, namely, 519520 + ... + 519523.

It is an arithmetic number, because the mean of its divisors is an integer number (779283).

22078086 is an apocalyptic number.

2078086 is a deficient number, since it is larger than the sum of its proper divisors (1039046).

2078086 is a wasteful number, since it uses less digits than its factorization.

2078086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039045.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2078086 is about 1441.5567973549. The cubic root of 2078086 is about 127.6109197522.

The spelling of 2078086 in words is "two million, seventy-eight thousand, eighty-six".

Divisors: 1 2 1039043 2078086