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10115712 = 27332927
BaseRepresentation
bin100110100101…
…101010000000
3201000221011000
4212211222000
510042200322
61000452000
7151660605
oct46455200
921027130
1010115712
11578a0a2
12347a000
132132439
1414b46ac
15d4c3ac
hex9a5a80

10115712 has 64 divisors (see below), whose sum is σ = 29865600. Its totient is φ = 3370752.

The previous prime is 10115711. The next prime is 10115717. The reversal of 10115712 is 21751101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10115711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993 + ... + 4919.

It is an arithmetic number, because the mean of its divisors is an integer number (466650).

Almost surely, 210115712 is an apocalyptic number.

10115712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10115712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14932800).

10115712 is an abundant number, since it is smaller than the sum of its proper divisors (19749888).

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

10115712 is an equidigital number, since it uses as much as digits as its factorization.

10115712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 10115712 is about 3180.5207120847. The cubic root of 10115712 is about 216.2712641279.

Adding to 10115712 its reverse (21751101), we get a palindrome (31866813).

The spelling of 10115712 in words is "ten million, one hundred fifteen thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 2927 3456 5854 8781 11708 17562 23416 26343 35124 46832 52686 70248 79029 93664 105372 140496 158058 187328 210744 280992 316116 374656 421488 561984 632232 842976 1123968 1264464 1685952 2528928 3371904 5057856 10115712