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136243041 = 31141101997
BaseRepresentation
bin10000001111011…
…10011101100001
3100111100212022120
420013232131201
5234334234131
621304054453
73243022014
oct1007563541
9314325276
10136243041
116a9a6460
1239764429
13222c32ac
141414737b
15be63496
hex81ee761

136243041 has 32 divisors (see below), whose sum is σ = 205220736. Its totient is φ = 79680000.

The previous prime is 136243021. The next prime is 136243043. The reversal of 136243041 is 140342631.

136243041 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 136243041 - 221 = 134145889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136243043) 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, 136155 + ... + 137151.

It is an arithmetic number, because the mean of its divisors is an integer number (6413148).

Almost surely, 2136243041 is an apocalyptic number.

136243041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136243041 is a deficient number, since it is larger than the sum of its proper divisors (68977695).

136243041 is a wasteful number, since it uses less digits than its factorization.

136243041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 136243041 is about 11672.3194353136. The cubic root of 136243041 is about 514.5624725220.

Adding to 136243041 its reverse (140342631), we get a palindrome (276585672).

The spelling of 136243041 in words is "one hundred thirty-six million, two hundred forty-three thousand, forty-one".

Divisors: 1 3 11 33 41 101 123 303 451 997 1111 1353 2991 3333 4141 10967 12423 32901 40877 45551 100697 122631 136653 302091 449647 1107667 1348941 3323001 4128577 12385731 45414347 136243041