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230089605 = 3515339307
BaseRepresentation
bin11011011011011…
…10001110000101
3121000221202121020
431231232032011
5432400331410
634455341353
75462505114
oct1555561605
9530852536
10230089605
111089747a9
1265081859
1338890cc5
14227b5c7b
15152eea70
hexdb6e385

230089605 has 8 divisors (see below), whose sum is σ = 368143392. Its totient is φ = 122714448.

The previous prime is 230089547. The next prime is 230089609. The reversal of 230089605 is 506980032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230089605 - 27 = 230089477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230089609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7669639 + ... + 7669668.

It is an arithmetic number, because the mean of its divisors is an integer number (46017924).

Almost surely, 2230089605 is an apocalyptic number.

It is an amenable number.

230089605 is a deficient number, since it is larger than the sum of its proper divisors (138053787).

230089605 is a wasteful number, since it uses less digits than its factorization.

230089605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15339315.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 230089605 is about 15168.7047897967. The cubic root of 230089605 is about 612.7721228700.

The spelling of 230089605 in words is "two hundred thirty million, eighty-nine thousand, six hundred five".

Divisors: 1 3 5 15 15339307 46017921 76696535 230089605