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10387264 = 261091489
BaseRepresentation
bin100111100111…
…111101000000
3201112201122111
4213213331000
510124343024
61010345104
7154201366
oct47477500
921481574
1010387264
115955118
12358b194
1321c8c14
141545636
15da2a94
hex9e7f40

10387264 has 28 divisors (see below), whose sum is σ = 20815300. Its totient is φ = 5142528.

The previous prime is 10387261. The next prime is 10387291. The reversal of 10387264 is 46278301.

It can be written as a sum of positive squares in 2 ways, for example, as 4665600 + 5721664 = 2160^2 + 2392^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387261) 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, 6232 + ... + 7720.

Almost surely, 210387264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10387264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10407650).

10387264 is an abundant number, since it is smaller than the sum of its proper divisors (10428036).

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

10387264 is a wasteful number, since it uses less digits than its factorization.

10387264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 10387264 is about 3222.9278614328. The cubic root of 10387264 is about 218.1894377810.

The spelling of 10387264 in words is "ten million, three hundred eighty-seven thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 109 218 436 872 1489 1744 2978 3488 5956 6976 11912 23824 47648 95296 162301 324602 649204 1298408 2596816 5193632 10387264