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2210930 = 25221093
BaseRepresentation
bin1000011011110001110010
311011022211022
420123301302
51031222210
6115215442
724535601
oct10336162
94138738
102210930
111280117
128a7582
135c5457
14417a38
152da155
hex21bc72

2210930 has 8 divisors (see below), whose sum is σ = 3979692. Its totient is φ = 884368.

The previous prime is 2210903. The next prime is 2210939. The reversal of 2210930 is 390122.

2210930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2163841 + 47089 = 1471^2 + 217^2 .

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

It is a super-2 number, since 2×22109302 = 9776422929800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2210899 and 2210908.

It is not an unprimeable number, because it can be changed into a prime (2210939) 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 3 ways as a sum of consecutive naturals, for example, 110537 + ... + 110556.

22210930 is an apocalyptic number.

2210930 is a deficient number, since it is larger than the sum of its proper divisors (1768762).

2210930 is a wasteful number, since it uses less digits than its factorization.

2210930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221100.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2210930 is about 1486.9196346810. The cubic root of 2210930 is about 130.2741748004.

The spelling of 2210930 in words is "two million, two hundred ten thousand, nine hundred thirty".

Divisors: 1 2 5 10 221093 442186 1105465 2210930