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104305240 = 23513200587
BaseRepresentation
bin1100011011110…
…01001001011000
321021021020220001
412031321021120
5203200231430
614203342344
72404402624
oct615711130
9237236801
10104305240
1153972086
122ab219b4
13187c02a0
14dbd2184
1592553ca
hex6379258

104305240 has 32 divisors (see below), whose sum is σ = 252740880. Its totient is φ = 38512512.

The previous prime is 104305237. The next prime is 104305273. The reversal of 104305240 is 42503401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99774 + ... + 100813.

Almost surely, 2104305240 is an apocalyptic number.

104305240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104305240 is an abundant number, since it is smaller than the sum of its proper divisors (148435640).

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

104305240 is a wasteful number, since it uses less digits than its factorization.

104305240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200611 (or 200607 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 104305240 is about 10212.9936845178. The cubic root of 104305240 is about 470.7265659877.

Adding to 104305240 its reverse (42503401), we get a palindrome (146808641).

The spelling of 104305240 in words is "one hundred four million, three hundred five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 200587 401174 802348 1002935 1604696 2005870 2607631 4011740 5215262 8023480 10430524 13038155 20861048 26076310 52152620 104305240