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1093987040 = 25547145477
BaseRepresentation
bin100000100110100…
…1110101011100000
32211020112022002112
41001031032223200
54220030041130
6300315534452
736052510406
oct10115165340
92736468075
101093987040
11511588723
1226645a428
13145856b13
14a5415476
1566099495
hex4134eae0

1093987040 has 48 divisors (see below), whose sum is σ = 2639552832. Its totient is φ = 428281344.

The previous prime is 1093987033. The next prime is 1093987079. The reversal of 1093987040 is 407893901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65219 + ... + 80258.

It is an arithmetic number, because the mean of its divisors is an integer number (54990684).

Almost surely, 21093987040 is an apocalyptic number.

1093987040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1093987040 is an abundant number, since it is smaller than the sum of its proper divisors (1545565792).

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

1093987040 is a wasteful number, since it uses less digits than its factorization.

1093987040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145539 (or 145531 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1093987040 is about 33075.4749021084. The cubic root of 1093987040 is about 1030.3957507733.

It can be divided in two parts, 10939 and 87040, that added together give a palindrome (97979).

The spelling of 1093987040 in words is "one billion, ninety-three million, nine hundred eighty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 80 94 160 188 235 376 470 752 940 1504 1880 3760 7520 145477 290954 581908 727385 1163816 1454770 2327632 2909540 4655264 5819080 6837419 11638160 13674838 23276320 27349676 34187095 54699352 68374190 109398704 136748380 218797408 273496760 546993520 1093987040