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136223375 = 531278581
BaseRepresentation
bin10000001111010…
…01101010001111
3100111022212100012
420013221222033
5234333122000
621303423435
73242610461
oct1007515217
9314285305
10136223375
116a992702
1239754b7b
13222b7362
1414140131
15be5c735
hex81e9a8f

136223375 has 16 divisors (see below), whose sum is σ = 171365376. Its totient is φ = 108108000.

The previous prime is 136223357. The next prime is 136223377. The reversal of 136223375 is 573322631.

136223375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136223375 - 28 = 136223119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136223377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11585 + ... + 20165.

It is an arithmetic number, because the mean of its divisors is an integer number (10710336).

Almost surely, 2136223375 is an apocalyptic number.

136223375 is a deficient number, since it is larger than the sum of its proper divisors (35142001).

136223375 is an equidigital number, since it uses as much as digits as its factorization.

136223375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8723 (or 8713 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The square root of 136223375 is about 11671.4769845123. The cubic root of 136223375 is about 514.5377131595.

The spelling of 136223375 in words is "one hundred thirty-six million, two hundred twenty-three thousand, three hundred seventy-five".

Divisors: 1 5 25 125 127 635 3175 8581 15875 42905 214525 1072625 1089787 5448935 27244675 136223375