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105302490 = 2359113853
BaseRepresentation
bin1100100011011…
…00100111011010
321100010220212020
412101230213122
5203424134430
614240555310
72416025226
oct621544732
9240126766
10105302490
1154493357
122b322b36
1318a7c187
14ddb1786
1593a0b10
hex646c9da

105302490 has 32 divisors (see below), whose sum is σ = 253069056. Its totient is φ = 28042560.

The previous prime is 105302489. The next prime is 105302501. The reversal of 105302490 is 94203501.

It is a super-2 number, since 2×1053024902 = 22177228800400200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105302490.

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, 25404 + ... + 29256.

It is an arithmetic number, because the mean of its divisors is an integer number (7908408).

Almost surely, 2105302490 is an apocalyptic number.

105302490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105302490 is an abundant number, since it is smaller than the sum of its proper divisors (147766566).

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

105302490 is a wasteful number, since it uses less digits than its factorization.

105302490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 105302490 is about 10261.7001515343. The cubic root of 105302490 is about 472.2219970984.

Adding to 105302490 its reverse (94203501), we get a palindrome (199505991).

The spelling of 105302490 in words is "one hundred five million, three hundred two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 911 1822 2733 3853 4555 5466 7706 9110 11559 13665 19265 23118 27330 38530 57795 115590 3510083 7020166 10530249 17550415 21060498 35100830 52651245 105302490