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10505376 = 25357193
BaseRepresentation
bin101000000100…
…110010100000
3201202201200000
4220010302200
510142133001
61013100000
7155202630
oct50046240
921681600
1010505376
115a25932
123627600
13223a8cb
1415766c0
15dc7a86
hexa04ca0

10505376 has 144 divisors (see below), whose sum is σ = 35590464. Its totient is φ = 2985984.

The previous prime is 10505353. The next prime is 10505377. The reversal of 10505376 is 67350501.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×105053762 = 220725849802752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54336 + ... + 54528.

It is an arithmetic number, because the mean of its divisors is an integer number (247156).

Almost surely, 210505376 is an apocalyptic number.

10505376 is a gapful number since it is divisible by the number (16) 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 10505376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17795232).

10505376 is an abundant number, since it is smaller than the sum of its proper divisors (25085088).

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

10505376 is an equidigital number, since it uses as much as digits as its factorization.

10505376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 10505376 is about 3241.1997778600. The cubic root of 10505376 is about 219.0133225147.

Adding to 10505376 its reverse (67350501), we get a palindrome (77855877).

The spelling of 10505376 in words is "ten million, five hundred five thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 193 216 224 243 252 288 324 336 378 386 432 486 504 567 579 648 672 756 772 864 972 1008 1134 1158 1296 1351 1512 1544 1701 1737 1944 2016 2268 2316 2592 2702 3024 3088 3402 3474 3888 4053 4536 4632 5211 5404 6048 6176 6804 6948 7776 8106 9072 9264 10422 10808 12159 13608 13896 15633 16212 18144 18528 20844 21616 24318 27216 27792 31266 32424 36477 41688 43232 46899 48636 54432 55584 62532 64848 72954 83376 93798 97272 109431 125064 129696 145908 166752 187596 194544 218862 250128 291816 328293 375192 389088 437724 500256 583632 656586 750384 875448 1167264 1313172 1500768 1750896 2626344 3501792 5252688 10505376