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136228750 = 254715569
BaseRepresentation
bin10000001111010…
…10111110001110
3100111100010201021
420013222332032
5234333310000
621303504354
73242632240
oct1007527616
9314303637
10136228750
116a996749
12397580ba
13222b9938
1414142090
15be5e11a
hex81eaf8e

136228750 has 40 divisors (see below), whose sum is σ = 291844080. Its totient is φ = 46704000.

The previous prime is 136228739. The next prime is 136228753. The reversal of 136228750 is 57822631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136228753) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 966 + ... + 16534.

It is an arithmetic number, because the mean of its divisors is an integer number (7296102).

Almost surely, 2136228750 is an apocalyptic number.

136228750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136228750 is an abundant number, since it is smaller than the sum of its proper divisors (155615330).

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

136228750 is an equidigital number, since it uses as much as digits as its factorization.

136228750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15598 (or 15583 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 136228750 is about 11671.7072444437. The cubic root of 136228750 is about 514.5444804852.

The spelling of 136228750 in words is "one hundred thirty-six million, two hundred twenty-eight thousand, seven hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 625 875 1250 1750 4375 8750 15569 31138 77845 108983 155690 217966 389225 544915 778450 1089830 1946125 2724575 3892250 5449150 9730625 13622875 19461250 27245750 68114375 136228750