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1093069640 = 235132102057
BaseRepresentation
bin100000100100110…
…1110101101001000
32211011210200122202
41001021232231020
54214311212030
6300244135332
736041636645
oct10111565510
92734720582
101093069640
11511011443
12266097548
131455c5390
14a5256dcc
1565e67745
hex4126eb48

1093069640 has 32 divisors (see below), whose sum is σ = 2648593080. Its totient is φ = 403594752.

The previous prime is 1093069631. The next prime is 1093069667. The reversal of 1093069640 is 469603901.

It can be written as a sum of positive squares in 4 ways, for example, as 682358884 + 410710756 = 26122^2 + 20266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1093069594 and 1093069603.

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, 1050509 + ... + 1051548.

Almost surely, 21093069640 is an apocalyptic number.

1093069640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1093069640 is an abundant number, since it is smaller than the sum of its proper divisors (1555523440).

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

1093069640 is a wasteful number, since it uses less digits than its factorization.

1093069640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102081 (or 2102077 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 1093069640 is about 33061.6037118589. The cubic root of 1093069640 is about 1030.1076457703.

The spelling of 1093069640 in words is "one billion, ninety-three million, sixty-nine thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 2102057 4204114 8408228 10510285 16816456 21020570 27326741 42041140 54653482 84082280 109306964 136633705 218613928 273267410 546534820 1093069640