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228061341 = 32178317959
BaseRepresentation
bin11011001011111…
…11000010011101
3120220010201100100
431211333002131
5431340430331
634344051313
75436326604
oct1545770235
9526121310
10228061341
11107809952
1264463b39
1338330a51
1422408a3b
151504dae6
hexd97f09d

228061341 has 24 divisors (see below), whose sum is σ = 353021760. Its totient is φ = 141365376.

The previous prime is 228061319. The next prime is 228061349. The reversal of 228061341 is 143160822.

228061341 is a `hidden beast` number, since 2 + 2 + 8 + 0 + 613 + 41 = 666.

It is not a de Polignac number, because 228061341 - 213 = 228053149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228061349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3720 + ... + 21678.

It is an arithmetic number, because the mean of its divisors is an integer number (14709240).

Almost surely, 2228061341 is an apocalyptic number.

It is an amenable number.

228061341 is a deficient number, since it is larger than the sum of its proper divisors (124960419).

228061341 is a wasteful number, since it uses less digits than its factorization.

228061341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065 (or 18062 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 228061341 is about 15101.6999374243. The cubic root of 228061341 is about 610.9662559503.

The spelling of 228061341 in words is "two hundred twenty-eight million, sixty-one thousand, three hundred forty-one".

Divisors: 1 3 9 17 51 83 153 249 747 1411 4233 12699 17959 53877 161631 305303 915909 1490597 2747727 4471791 13415373 25340149 76020447 228061341