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105014440 = 23517389397
BaseRepresentation
bin1100100001001…
…10010010101000
321022121021201201
412100212102220
5203340430230
614230453544
72413415356
oct620462250
9238537651
10105014440
11543069a3
122b2042b4
13189ab02b
14dd387d6
1593455ca
hex64264a8

105014440 has 64 divisors (see below), whose sum is σ = 251456400. Its totient is φ = 39333888.

The previous prime is 105014411. The next prime is 105014461. The reversal of 105014440 is 44410501.

It can be written as a sum of positive squares in 8 ways, for example, as 55086084 + 49928356 = 7422^2 + 7066^2 .

It is a super-2 number, since 2×1050144402 = 22056065217027200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264322 + ... + 264718.

Almost surely, 2105014440 is an apocalyptic number.

105014440 is a gapful number since it is divisible by the number (10) 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 105014440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125728200).

105014440 is an abundant number, since it is smaller than the sum of its proper divisors (146441960).

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

105014440 is a wasteful number, since it uses less digits than its factorization.

105014440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 105014440 is about 10247.6553415891. The cubic root of 105014440 is about 471.7910235486.

Adding to 105014440 its reverse (44410501), we get a palindrome (149424941).

It can be divided in two parts, 10501 and 4440, that added together give a palindrome (14941).

The spelling of 105014440 in words is "one hundred five million, fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 389 397 680 778 794 1556 1588 1945 1985 3112 3176 3890 3970 6613 6749 7780 7940 13226 13498 15560 15880 26452 26996 33065 33745 52904 53992 66130 67490 132260 134980 154433 264520 269960 308866 617732 772165 1235464 1544330 2625361 3088660 5250722 6177320 10501444 13126805 21002888 26253610 52507220 105014440