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230925291 = 378419817
BaseRepresentation
bin11011100001110…
…10001111101011
3121002112012221120
431300322033223
5433104102131
634525310323
75502555402
oct1560721753
9532465846
10230925291
11109395653
12654053a3
1338ac44ac
1422952639
1515417496
hexdc3a3eb

230925291 has 8 divisors (see below), whose sum is σ = 307971024. Its totient is φ = 153914880.

The previous prime is 230925269. The next prime is 230925301. The reversal of 230925291 is 192529032.

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

It is not a de Polignac number, because 230925291 - 215 = 230892523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230925391) 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 7 ways as a sum of consecutive naturals, for example, 18615 + ... + 28431.

It is an arithmetic number, because the mean of its divisors is an integer number (38496378).

Almost surely, 2230925291 is an apocalyptic number.

230925291 is a deficient number, since it is larger than the sum of its proper divisors (77045733).

230925291 is an equidigital number, since it uses as much as digits as its factorization.

230925291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17661.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 230925291 is about 15196.2262091613. The cubic root of 230925291 is about 613.5130898040.

The spelling of 230925291 in words is "two hundred thirty million, nine hundred twenty-five thousand, two hundred ninety-one".

Divisors: 1 3 7841 9817 23523 29451 76975097 230925291