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136548645 = 35311032851
BaseRepresentation
bin10000010001110…
…01000100100101
3100111221101112020
420020321010211
5234424024040
621314413353
73245434002
oct1010710445
9314841466
10136548645
1170095022
1239891259
132239c41c
14141c68a9
15bec3cd0
hex8239125

136548645 has 32 divisors (see below), whose sum is σ = 227794944. Its totient is φ = 69768000.

The previous prime is 136548619. The next prime is 136548647. The reversal of 136548645 is 546845631.

It is not a de Polignac number, because 136548645 - 212 = 136544549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136548597 and 136548606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136548647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46470 + ... + 49320.

It is an arithmetic number, because the mean of its divisors is an integer number (7118592).

Almost surely, 2136548645 is an apocalyptic number.

136548645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136548645 is a deficient number, since it is larger than the sum of its proper divisors (91246299).

136548645 is a wasteful number, since it uses less digits than its factorization.

136548645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993.

The product of its digits is 345600, while the sum is 42.

The square root of 136548645 is about 11685.4030739209. The cubic root of 136548645 is about 514.9469200957.

The spelling of 136548645 in words is "one hundred thirty-six million, five hundred forty-eight thousand, six hundred forty-five".

Divisors: 1 3 5 15 31 93 103 155 309 465 515 1545 2851 3193 8553 9579 14255 15965 42765 47895 88381 265143 293653 441905 880959 1325715 1468265 4404795 9103243 27309729 45516215 136548645