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10381040 = 245129763
BaseRepresentation
bin100111100110…
…011011110000
3201112102002222
4213212123300
510124143130
61010300212
7154144265
oct47463360
921472088
1010381040
11595047a
123587668
1321c6137
14154326c
15da0ce5
hex9e66f0

10381040 has 20 divisors (see below), whose sum is σ = 24136104. Its totient is φ = 4152384.

The previous prime is 10381039. The next prime is 10381069. The reversal of 10381040 is 4018301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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, 64802 + ... + 64961.

Almost surely, 210381040 is an apocalyptic number.

10381040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10381040 is an abundant number, since it is smaller than the sum of its proper divisors (13755064).

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

10381040 is a wasteful number, since it uses less digits than its factorization.

10381040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129776 (or 129770 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10381040 is about 3221.9621350972. The cubic root of 10381040 is about 218.1458497105.

Adding to 10381040 its reverse (4018301), we get a palindrome (14399341).

The spelling of 10381040 in words is "ten million, three hundred eighty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 129763 259526 519052 648815 1038104 1297630 2076208 2595260 5190520 10381040