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1148996808 = 2332431312833
BaseRepresentation
bin100010001111100…
…0100110011001000
32222002001002022100
41010133010303020
54323120344213
6310002553400
740321211631
oct10437046310
92862032270
101148996808
1153a640343
12280968860
1315407758b
14ac854888
156ad13773
hex447c4cc8

1148996808 has 96 divisors (see below), whose sum is σ = 3209675040. Its totient is φ = 371105280.

The previous prime is 1148996801. The next prime is 1148996819. The reversal of 1148996808 is 8086998411.

It is not an unprimeable number, because it can be changed into a prime (1148996801) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 404160 + ... + 406992.

It is an arithmetic number, because the mean of its divisors is an integer number (33434115).

Almost surely, 21148996808 is an apocalyptic number.

1148996808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148996808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604837520).

1148996808 is an abundant number, since it is smaller than the sum of its proper divisors (2060678232).

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

1148996808 is a wasteful number, since it uses less digits than its factorization.

1148996808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019 (or 3012 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The square root of 1148996808 is about 33896.8554293757. The cubic root of 1148996808 is about 1047.3848170713.

The spelling of 1148996808 in words is "one billion, one hundred forty-eight million, nine hundred ninety-six thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 43 72 86 129 131 172 258 262 344 387 393 516 524 774 786 1032 1048 1179 1548 1572 2358 2833 3096 3144 4716 5633 5666 8499 9432 11266 11332 16899 16998 22532 22664 25497 33798 33996 45064 50697 50994 67596 67992 101394 101988 121819 135192 202788 203976 243638 365457 371123 405576 487276 730914 742246 974552 1096371 1113369 1461828 1484492 2192742 2226738 2923656 2968984 3340107 4385484 4453476 6680214 8770968 8906952 13360428 15958289 26720856 31916578 47874867 63833156 95749734 127666312 143624601 191499468 287249202 382998936 574498404 1148996808