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10381660 = 225519083
BaseRepresentation
bin100111100110…
…100101011100
3201112102221221
4213212211130
510124203120
61010303124
7154146142
oct47464534
921472857
1010381660
115950993
123587aa4
1321c64c3
141543592
15da10aa
hex9e695c

10381660 has 12 divisors (see below), whose sum is σ = 21801528. Its totient is φ = 4152656.

The previous prime is 10381607. The next prime is 10381661. The reversal of 10381660 is 6618301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10381661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 259522 + ... + 259561.

It is an arithmetic number, because the mean of its divisors is an integer number (1816794).

Almost surely, 210381660 is an apocalyptic number.

10381660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10381660 is an abundant number, since it is smaller than the sum of its proper divisors (11419868).

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

10381660 is a wasteful number, since it uses less digits than its factorization.

10381660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519092 (or 519090 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10381660 is about 3222.0583483233. The cubic root of 10381660 is about 218.1501924910.

Adding to 10381660 its reverse (6618301), we get a palindrome (16999961).

The spelling of 10381660 in words is "ten million, three hundred eighty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 519083 1038166 2076332 2595415 5190830 10381660