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136474241 = 37299689
BaseRepresentation
bin10000010001001…
…10111010000001
3100111210121110112
420020212322001
5234414133431
621313041105
73245004041
oct1010467201
9314717415
10136474241
1170044132
1239856195
13223745b7
14141a7721
15beabc2b
hex8226e81

136474241 has 6 divisors (see below), whose sum is σ = 140263830. Its totient is φ = 132784416.

The previous prime is 136474223. The next prime is 136474297. The reversal of 136474241 is 142474631.

It can be written as a sum of positive squares in 3 ways, for example, as 67650625 + 68823616 = 8225^2 + 8296^2 .

It is not a de Polignac number, because 136474241 - 214 = 136457857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136474198 and 136474207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136474201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48476 + ... + 51213.

It is an arithmetic number, because the mean of its divisors is an integer number (23377305).

Almost surely, 2136474241 is an apocalyptic number.

It is an amenable number.

136474241 is a deficient number, since it is larger than the sum of its proper divisors (3789589).

136474241 is an frugal number, since it uses more digits than its factorization.

136474241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99763 (or 99726 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 136474241 is about 11682.2190101025. The cubic root of 136474241 is about 514.8533732825.

The spelling of 136474241 in words is "one hundred thirty-six million, four hundred seventy-four thousand, two hundred forty-one".

Divisors: 1 37 1369 99689 3688493 136474241