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1005681024 = 27322930103
BaseRepresentation
bin111011111100010…
…111100110000000
32121002100220000100
4323330113212000
54024423243044
6243443122400
733631101435
oct7374274600
92532326010
101005681024
11476754047
12240973400
13130478c3a
14977c9b8c
155d454869
hex3bf17980

1005681024 has 96 divisors (see below), whose sum is σ = 2993842800. Its totient is φ = 323656704.

The previous prime is 1005681007. The next prime is 1005681031. The reversal of 1005681024 is 4201865001.

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

It is a super-2 number, since 2×10056810242 = 2022788644067377152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18357 + ... + 48459.

Almost surely, 21005681024 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 1005681024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496921400).

1005681024 is an abundant number, since it is smaller than the sum of its proper divisors (1988161776).

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

1005681024 is a wasteful number, since it uses less digits than its factorization.

1005681024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30152 (or 30137 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1005681024 is about 31712.4742648693. The cubic root of 1005681024 is about 1001.8900999381.

The spelling of 1005681024 in words is "one billion, five million, six hundred eighty-one thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 261 288 348 384 464 522 576 696 928 1044 1152 1392 1856 2088 2784 3712 4176 5568 8352 11136 16704 30103 33408 60206 90309 120412 180618 240824 270927 361236 481648 541854 722472 872987 963296 1083708 1444944 1745974 1926592 2167416 2618961 2889888 3491948 3853184 4334832 5237922 5779776 6983896 7856883 8669664 10475844 11559552 13967792 15713766 17339328 20951688 27935584 31427532 34678656 41903376 55871168 62855064 83806752 111742336 125710128 167613504 251420256 335227008 502840512 1005681024