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105103000 = 2353611723
BaseRepresentation
bin1100100001110…
…11111010011000
321022202210012201
412100323322120
5203401244000
614232415544
72414234512
oct620737230
9238683181
10105103000
1154367492
122b2475b4
1318a0c432
14dd5cbb2
15936196a
hex643be98

105103000 has 64 divisors (see below), whose sum is σ = 250117920. Its totient is φ = 41328000.

The previous prime is 105102979. The next prime is 105103007. The reversal of 105103000 is 301501.

It is a super-2 number, since 2×1051030002 = 22093281218000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105103007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60139 + ... + 61861.

Almost surely, 2105103000 is an apocalyptic number.

105103000 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 105103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125058960).

105103000 is an abundant number, since it is smaller than the sum of its proper divisors (145014920).

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

105103000 is a wasteful number, since it uses less digits than its factorization.

105103000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 105103000 is about 10251.9754194009. The cubic root of 105103000 is about 471.9236087229.

Adding to 105103000 its reverse (301501), we get a palindrome (105404501).

The spelling of 105103000 in words is "one hundred five million, one hundred three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 100 122 125 200 244 250 305 488 500 610 1000 1220 1525 1723 2440 3050 3446 6100 6892 7625 8615 12200 13784 15250 17230 30500 34460 43075 61000 68920 86150 105103 172300 210206 215375 344600 420412 430750 525515 840824 861500 1051030 1723000 2102060 2627575 4204120 5255150 10510300 13137875 21020600 26275750 52551500 105103000