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105130300 = 225211313083
BaseRepresentation
bin1100100010000…
…10100100111100
321022211011122211
412101002210330
5203403132200
614233150204
72414410222
oct621024474
9238734584
10105130300
1154385a50
122b25b364
1318a1b9a2
14dd68b12
159369aba
hex644293c

105130300 has 72 divisors (see below), whose sum is σ = 256983552. Its totient is φ = 36984000.

The previous prime is 105130247. The next prime is 105130301. The reversal of 105130300 is 3031501.

It is a super-2 number, since 2×1051303002 = 22104759956180000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105130301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32559 + ... + 35641.

It is an arithmetic number, because the mean of its divisors is an integer number (3569216).

Almost surely, 2105130300 is an apocalyptic number.

105130300 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 105130300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128491776).

105130300 is an abundant number, since it is smaller than the sum of its proper divisors (151853252).

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

105130300 is a wasteful number, since it uses less digits than its factorization.

105130300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139 (or 3132 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 105130300 is about 10253.3067836674. The cubic root of 105130300 is about 471.9644651501.

Adding to 105130300 its reverse (3031501), we get a palindrome (108161801).

The spelling of 105130300 in words is "one hundred five million, one hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 31 44 50 55 62 100 110 124 155 220 275 310 341 550 620 682 775 1100 1364 1550 1705 3083 3100 3410 6166 6820 8525 12332 15415 17050 30830 33913 34100 61660 67826 77075 95573 135652 154150 169565 191146 308300 339130 382292 477865 678260 847825 955730 1051303 1695650 1911460 2102606 2389325 3391300 4205212 4778650 5256515 9557300 10513030 21026060 26282575 52565150 105130300