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2158095 = 35143873
BaseRepresentation
bin1000001110111000001111
311001122100110
420032320033
51023024340
6114131103
724225552
oct10167017
94048313
102158095
111244455
12880a93
135a73a4
14402699
152c9680
hex20ee0f

2158095 has 8 divisors (see below), whose sum is σ = 3452976. Its totient is φ = 1150976.

The previous prime is 2158087. The next prime is 2158097. The reversal of 2158095 is 5908512.

2158095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2158095 - 23 = 2158087 is a prime.

2158095 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158097) 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, 71922 + ... + 71951.

It is an arithmetic number, because the mean of its divisors is an integer number (431622).

22158095 is an apocalyptic number.

2158095 is a deficient number, since it is larger than the sum of its proper divisors (1294881).

2158095 is a wasteful number, since it uses less digits than its factorization.

2158095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143881.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2158095 is about 1469.0456085500. The cubic root of 2158095 is about 129.2280683905.

The spelling of 2158095 in words is "two million, one hundred fifty-eight thousand, ninety-five".

Divisors: 1 3 5 15 143873 431619 719365 2158095