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1095385640 = 23527384641
BaseRepresentation
bin100000101001010…
…0100001000101000
32211100011100121112
41001102210020220
54220404320030
6300405525452
736100424066
oct10122441050
92740140545
101095385640
11512353498
12266a13888
13145c265ab
14a569b036
1566273a95
hex414a4228

1095385640 has 16 divisors (see below), whose sum is σ = 2464617780. Its totient is φ = 438154240.

The previous prime is 1095385637. The next prime is 1095385661. The reversal of 1095385640 is 465835901.

It can be written as a sum of positive squares in 2 ways, for example, as 1094683396 + 702244 = 33086^2 + 838^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13692281 + ... + 13692360.

Almost surely, 21095385640 is an apocalyptic number.

1095385640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1095385640 is an abundant number, since it is smaller than the sum of its proper divisors (1369232140).

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

1095385640 is a wasteful number, since it uses less digits than its factorization.

1095385640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27384652 (or 27384648 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1095385640 is about 33096.6107026082. The cubic root of 1095385640 is about 1030.8346645063.

The spelling of 1095385640 in words is "one billion, ninety-five million, three hundred eighty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 27384641 54769282 109538564 136923205 219077128 273846410 547692820 1095385640