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136271445 = 3579114997
BaseRepresentation
bin10000001111101…
…01011001010101
3100111102022021120
420013311121111
5234341141240
621304434153
73243200562
oct1007653125
9314368246
10136271445
116aa15832
1239778959
13223031bb
1414153869
15be6bad0
hex81f5655

136271445 has 16 divisors (see below), whose sum is σ = 220796160. Its totient is φ = 71757504.

The previous prime is 136271437. The next prime is 136271449. The reversal of 136271445 is 544172631.

136271445 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 136271445 - 23 = 136271437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136271449) 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, 56314 + ... + 58683.

It is an arithmetic number, because the mean of its divisors is an integer number (13799760).

Almost surely, 2136271445 is an apocalyptic number.

136271445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136271445 is a deficient number, since it is larger than the sum of its proper divisors (84524715).

136271445 is a wasteful number, since it uses less digits than its factorization.

136271445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115084.

The product of its digits is 20160, while the sum is 33.

The square root of 136271445 is about 11673.5360966590. The cubic root of 136271445 is about 514.5982287627.

The spelling of 136271445 in words is "one hundred thirty-six million, two hundred seventy-one thousand, four hundred forty-five".

Divisors: 1 3 5 15 79 237 395 1185 114997 344991 574985 1724955 9084763 27254289 45423815 136271445