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5561430 = 235771373
BaseRepresentation
bin10101001101110001010110
3101110112211220
4111031301112
52410431210
6315111210
765162040
oct25156126
911415756
105561430
113159426
121a42506
1311c94b4
14a4aa90
1574cc70
hex54dc56

5561430 has 64 divisors (see below), whose sum is σ = 15510528. Its totient is φ = 1249920.

The previous prime is 5561429. The next prime is 5561441. The reversal of 5561430 is 341655.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5561430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14724 + ... + 15096.

It is an arithmetic number, because the mean of its divisors is an integer number (242352).

Almost surely, 25561430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5561430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7755264).

5561430 is an abundant number, since it is smaller than the sum of its proper divisors (9949098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5561430 is a wasteful number, since it uses less digits than its factorization.

5561430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 5561430 is about 2358.2684325581. The cubic root of 5561430 is about 177.1721648278.

The spelling of 5561430 in words is "five million, five hundred sixty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 71 105 142 210 213 355 373 426 497 710 746 994 1065 1119 1491 1865 2130 2238 2485 2611 2982 3730 4970 5222 5595 7455 7833 11190 13055 14910 15666 26110 26483 39165 52966 78330 79449 132415 158898 185381 264830 370762 397245 556143 794490 926905 1112286 1853810 2780715 5561430