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103443130 = 2571786927
BaseRepresentation
bin1100010101001…
…10101010111010
321012122110022001
412022212222322
5202440140010
614133051214
72364152320
oct612465272
9235573261
10103443130
115343339a
122a786b0a
131857aa6b
14da49d10
159134c3a
hex62a6aba

103443130 has 32 divisors (see below), whose sum is σ = 225317376. Its totient is φ = 33379584.

The previous prime is 103443103. The next prime is 103443169. The reversal of 103443130 is 31344301.

It is a super-2 number, since 2×1034431302 = 21400962288393800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103443098 and 103443107.

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, 42274 + ... + 44653.

It is an arithmetic number, because the mean of its divisors is an integer number (7041168).

Almost surely, 2103443130 is an apocalyptic number.

103443130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103443130 is an abundant number, since it is smaller than the sum of its proper divisors (121874246).

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

103443130 is a wasteful number, since it uses less digits than its factorization.

103443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86958.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103443130 is about 10170.6995826246. The cubic root of 103443130 is about 469.4260838442.

Adding to 103443130 its reverse (31344301), we get a palindrome (134787431).

The spelling of 103443130 in words is "one hundred three million, four hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 86927 173854 434635 608489 869270 1216978 1477759 2955518 3042445 6084890 7388795 10344313 14777590 20688626 51721565 103443130