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10080820 = 225677523
BaseRepresentation
bin100110011101…
…001000110100
3200222011021201
4212131020310
510040041240
61000022244
7151454101
oct46351064
920864251
1010080820
115765962
123461984
13211c5a9
1414a5aa8
15d41d9a
hex99d234

10080820 has 24 divisors (see below), whose sum is σ = 21488544. Its totient is φ = 3971616.

The previous prime is 10080803. The next prime is 10080823. The reversal of 10080820 is 2808001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10080823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (895356).

Almost surely, 210080820 is an apocalyptic number.

10080820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10080820 is an abundant number, since it is smaller than the sum of its proper divisors (11407724).

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

10080820 is a wasteful number, since it uses less digits than its factorization.

10080820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599 (or 7597 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 10080820 is about 3175.0307085129. The cubic root of 10080820 is about 216.0223170814.

Adding to 10080820 its reverse (2808001), we get a palindrome (12888821).

The spelling of 10080820 in words is "ten million, eighty thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 7523 15046 30092 37615 75230 150460 504041 1008082 2016164 2520205 5040410 10080820