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104280825 = 35211211491
BaseRepresentation
bin1100011011100…
…11001011111001
321021020000101210
412031303023321
5203143441300
614203033333
72404241505
oct615631371
9237200353
10104280825
1153955800
122ab0b849
13187b213c
14dbc7305
15924d050
hex63732f9

104280825 has 36 divisors (see below), whose sum is σ = 189526064. Its totient is φ = 50556000.

The previous prime is 104280811. The next prime is 104280833. The reversal of 104280825 is 528082401.

It is not a de Polignac number, because 104280825 - 214 = 104264441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104280792 and 104280801.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3330 + ... + 14820.

Almost surely, 2104280825 is an apocalyptic number.

104280825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104280825 is a deficient number, since it is larger than the sum of its proper divisors (85245239).

104280825 is a wasteful number, since it uses less digits than its factorization.

104280825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526 (or 11510 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 104280825 is about 10211.7983235080. The cubic root of 104280825 is about 470.6898350560.

The spelling of 104280825 in words is "one hundred four million, two hundred eighty thousand, eight hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 121 165 275 363 605 825 1815 3025 9075 11491 34473 57455 126401 172365 287275 379203 632005 861825 1390411 1896015 3160025 4171233 6952055 9480075 20856165 34760275 104280825