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105130340 = 22571574783
BaseRepresentation
bin1100100010000…
…10100101100100
321022211011201022
412101002211210
5203403132330
614233150312
72414410310
oct621024544
9238734638
10105130340
1154385a87
122b25b398
1318a1ba03
14dd68b40
159369ae5
hex6442964

105130340 has 48 divisors (see below), whose sum is σ = 253972992. Its totient is φ = 35807616.

The previous prime is 105130327. The next prime is 105130343. The reversal of 105130340 is 43031501.

It is a super-2 number, since 2×1051303402 = 22104776777031200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105130343) 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, 19589 + ... + 24371.

It is an arithmetic number, because the mean of its divisors is an integer number (5291104).

Almost surely, 2105130340 is an apocalyptic number.

105130340 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 105130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126986496).

105130340 is an abundant number, since it is smaller than the sum of its proper divisors (148842652).

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

105130340 is a wasteful number, since it uses less digits than its factorization.

105130340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956 (or 4954 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 105130340 is about 10253.3087342574. The cubic root of 105130340 is about 471.9645250078.

Adding to 105130340 its reverse (43031501), we get a palindrome (148161841).

The spelling of 105130340 in words is "one hundred five million, one hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 157 314 628 785 1099 1570 2198 3140 4396 4783 5495 9566 10990 19132 21980 23915 33481 47830 66962 95660 133924 167405 334810 669620 750931 1501862 3003724 3754655 5256517 7509310 10513034 15018620 21026068 26282585 52565170 105130340