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230813407 = 1129723553
BaseRepresentation
bin11011100000111…
…10111011011111
3121002022112110201
431300132323133
5433042012112
634523044331
75501611246
oct1560367337
9532275421
10230813407
11109319590
12653706a7
1338a855a6
142292395d
15153e4257
hexdc1eedf

230813407 has 8 divisors (see below), whose sum is σ = 260479440. Its totient is φ = 202594560.

The previous prime is 230813347. The next prime is 230813411. The reversal of 230813407 is 704318032.

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

It is a cyclic number.

It is not a de Polignac number, because 230813407 - 211 = 230811359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230813467) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 361458 + ... + 362095.

It is an arithmetic number, because the mean of its divisors is an integer number (32559930).

Almost surely, 2230813407 is an apocalyptic number.

230813407 is a deficient number, since it is larger than the sum of its proper divisors (29666033).

230813407 is a wasteful number, since it uses less digits than its factorization.

230813407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723593.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 230813407 is about 15192.5444544355. The cubic root of 230813407 is about 613.4139908169.

The spelling of 230813407 in words is "two hundred thirty million, eight hundred thirteen thousand, four hundred seven".

Divisors: 1 11 29 319 723553 7959083 20983037 230813407