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2190430 = 251119913
BaseRepresentation
bin1000010110110001011110
311010021201001
420112301132
51030043210
6114540514
724422044
oct10266136
94107631
102190430
111266780
1289773a
135b9018
14410394
152d403a
hex216c5e

2190430 has 16 divisors (see below), whose sum is σ = 4301424. Its totient is φ = 796480.

The previous prime is 2190427. The next prime is 2190439. The reversal of 2190430 is 340912.

2190430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2190398 and 2190407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190439) 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, 9847 + ... + 10066.

It is an arithmetic number, because the mean of its divisors is an integer number (268839).

22190430 is an apocalyptic number.

2190430 is a deficient number, since it is larger than the sum of its proper divisors (2110994).

2190430 is a wasteful number, since it uses less digits than its factorization.

2190430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19931.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2190430 is about 1480.0101351004. The cubic root of 2190430 is about 129.8702848132.

The spelling of 2190430 in words is "two million, one hundred ninety thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 19913 39826 99565 199130 219043 438086 1095215 2190430