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1408342866 = 237174148109
BaseRepresentation
bin101001111110001…
…1001101101010010
310122011001020012220
41103330121231102
510341013432431
6351425401510
746620500610
oct12374315522
93564036186
101408342866
11662a77927
12333799296
13195a0cc98
14d50846b0
1583991b96
hex53f19b52

1408342866 has 64 divisors (see below), whose sum is σ = 3491631360. Its totient is φ = 369469440.

The previous prime is 1408342799. The next prime is 1408342913. The reversal of 1408342866 is 6682438041.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5220 + ... + 53328.

It is an arithmetic number, because the mean of its divisors is an integer number (54556740).

Almost surely, 21408342866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1408342866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745815680).

1408342866 is an abundant number, since it is smaller than the sum of its proper divisors (2083288494).

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

1408342866 is a wasteful number, since it uses less digits than its factorization.

1408342866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48179.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 1408342866 is about 37527.8945052877. The cubic root of 1408342866 is about 1120.9067025316.

The spelling of 1408342866 in words is "one billion, four hundred eight million, three hundred forty-two thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 7 14 17 21 34 41 42 51 82 102 119 123 238 246 287 357 574 697 714 861 1394 1722 2091 4182 4879 9758 14637 29274 48109 96218 144327 288654 336763 673526 817853 1010289 1635706 1972469 2020578 2453559 3944938 4907118 5724971 5917407 11449942 11834814 13807283 17174913 27614566 33531973 34349826 41421849 67063946 82843698 100595919 201191838 234723811 469447622 704171433 1408342866