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230154005 = 5294433583
BaseRepresentation
bin11011011011111…
…01111100010101
3121001002000221102
431231331330111
5432404412010
634500555445
75463163634
oct1555757425
9531060842
10230154005
11108a09124
12650b2b85
13388b4403
14227d151b
1515313ba5
hexdb7df15

230154005 has 16 divisors (see below), whose sum is σ = 286433280. Its totient is φ = 177323328.

The previous prime is 230153999. The next prime is 230154061. The reversal of 230154005 is 500451032.

It is a cyclic number.

It is not a de Polignac number, because 230154005 - 26 = 230153941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62444 + ... + 66026.

It is an arithmetic number, because the mean of its divisors is an integer number (17902080).

Almost surely, 2230154005 is an apocalyptic number.

It is an amenable number.

230154005 is a deficient number, since it is larger than the sum of its proper divisors (56279275).

230154005 is a wasteful number, since it uses less digits than its factorization.

230154005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 230154005 is about 15170.8274329385. The cubic root of 230154005 is about 612.8292873293.

The spelling of 230154005 in words is "two hundred thirty million, one hundred fifty-four thousand, five".

Divisors: 1 5 29 145 443 2215 3583 12847 17915 64235 103907 519535 1587269 7936345 46030801 230154005