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5561568 = 253341157
BaseRepresentation
bin10101001101110011100000
3101110120001000
4111031303200
52410432233
6315112000
765162325
oct25156340
911416030
105561568
113159541
121a42600
1311c958c
14a4ab4c
1574cd13
hex54dce0

5561568 has 96 divisors (see below), whose sum is σ = 16722720. Its totient is φ = 1797120.

The previous prime is 5561537. The next prime is 5561579. The reversal of 5561568 is 8651655.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35346 + ... + 35502.

It is an arithmetic number, because the mean of its divisors is an integer number (174195).

Almost surely, 25561568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5561568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8361360).

5561568 is an abundant number, since it is smaller than the sum of its proper divisors (11161152).

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

5561568 is a wasteful number, since it uses less digits than its factorization.

5561568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 203 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 5561568 is about 2358.2976911323. The cubic root of 5561568 is about 177.1736302517.

The spelling of 5561568 in words is "five million, five hundred sixty-one thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 54 72 82 96 108 123 144 157 164 216 246 288 314 328 369 432 471 492 628 656 738 864 942 984 1107 1256 1312 1413 1476 1884 1968 2214 2512 2826 2952 3768 3936 4239 4428 5024 5652 5904 6437 7536 8478 8856 11304 11808 12874 15072 16956 17712 19311 22608 25748 33912 35424 38622 45216 51496 57933 67824 77244 102992 115866 135648 154488 173799 205984 231732 308976 347598 463464 617952 695196 926928 1390392 1853856 2780784 5561568