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4144390 = 252931461
BaseRepresentation
bin1111110011110100000110
321210120000221
433303310012
52030110030
6224454554
750140525
oct17636406
97716027
104144390
112380818
12147a45a
13b21503
1479c4bc
1556ce7a
hex3f3d06

4144390 has 32 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 1545600.

The previous prime is 4144373. The next prime is 4144409. The reversal of 4144390 is 934414.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 8760 + ... + 9220.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 24144390 is an apocalyptic number.

4144390 is a deficient number, since it is larger than the sum of its proper divisors (3838970).

4144390 is a wasteful number, since it uses less digits than its factorization.

4144390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4144390 is about 2035.7774927531. Note that the first 3 decimals coincide. The cubic root of 4144390 is about 160.6276130427.

The spelling of 4144390 in words is "four million, one hundred forty-four thousand, three hundred ninety".

Divisors: 1 2 5 10 29 31 58 62 145 155 290 310 461 899 922 1798 2305 4495 4610 8990 13369 14291 26738 28582 66845 71455 133690 142910 414439 828878 2072195 4144390