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10205070 = 235340169
BaseRepresentation
bin100110111011…
…011110001110
3201012110201120
4212323132032
510103030240
61002421410
7152512251
oct46733616
921173646
1010205070
115840247
123501866
132164005
1414d9098
15d68ad0
hex9bb78e

10205070 has 16 divisors (see below), whose sum is σ = 24492240. Its totient is φ = 2721344.

The previous prime is 10205051. The next prime is 10205087. The reversal of 10205070 is 7050201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170055 + ... + 170114.

It is an arithmetic number, because the mean of its divisors is an integer number (1530765).

Almost surely, 210205070 is an apocalyptic number.

10205070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10205070 is an abundant number, since it is smaller than the sum of its proper divisors (14287170).

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

10205070 is a wasteful number, since it uses less digits than its factorization.

10205070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340179.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 10205070 is about 3194.5375252139. The cubic root of 10205070 is about 216.9062150033.

Adding to 10205070 its reverse (7050201), we get a palindrome (17255271).

The spelling of 10205070 in words is "ten million, two hundred five thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 340169 680338 1020507 1700845 2041014 3401690 5102535 10205070