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2190995 = 53111409
BaseRepresentation
bin1000010110111010010011
311010022110222
420112322103
51030102440
6114543255
724423512
oct10267223
94108428
102190995
111267144
12897b2b
135b9361
14410679
152d42b5
hex216e93

2190995 has 8 divisors (see below), whose sum is σ = 2639520. Its totient is φ = 1745920.

The previous prime is 2190983. The next prime is 2190997. The reversal of 2190995 is 5990912.

2190995 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 not a de Polignac number, because 2190995 - 214 = 2174611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2190997) 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, 851 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (329940).

22190995 is an apocalyptic number.

2190995 is a deficient number, since it is larger than the sum of its proper divisors (448525).

2190995 is a wasteful number, since it uses less digits than its factorization.

2190995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 2190995 is about 1480.2009998645. The cubic root of 2190995 is about 129.8814501100.

The spelling of 2190995 in words is "two million, one hundred ninety thousand, nine hundred ninety-five".

Divisors: 1 5 311 1409 1555 7045 438199 2190995