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1093342820 = 22554667141
BaseRepresentation
bin100000100101011…
…0001011001100100
32211012022120101112
41001022301121210
54214343432240
6300254044152
736044155253
oct10112613144
92735276345
101093342820
11511188709
122661a9658
1314568c81b
14a52c879a
1565ebd665
hex412b1664

1093342820 has 12 divisors (see below), whose sum is σ = 2296019964. Its totient is φ = 437337120.

The previous prime is 1093342771. The next prime is 1093342829. The reversal of 1093342820 is 282433901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 591851584 + 501491236 = 24328^2 + 22394^2 .

It is not an unprimeable number, because it can be changed into a prime (1093342829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27333551 + ... + 27333590.

It is an arithmetic number, because the mean of its divisors is an integer number (191334997).

Almost surely, 21093342820 is an apocalyptic number.

1093342820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1093342820 is an abundant number, since it is smaller than the sum of its proper divisors (1202677144).

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

1093342820 is a wasteful number, since it uses less digits than its factorization.

1093342820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54667150 (or 54667148 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1093342820 is about 33065.7348323003. The cubic root of 1093342820 is about 1030.1934534678.

The spelling of 1093342820 in words is "one billion, ninety-three million, three hundred forty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 54667141 109334282 218668564 273335705 546671410 1093342820