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230025205 = 561754181
BaseRepresentation
bin11011011010111…
…10011111110101
3121000211111021001
431231132133311
5432341301310
634454123301
75462116264
oct1555363765
9530744231
10230025205
11108930383
1265050531
133886a8b7
142279a5db
15152da93a
hexdb5e7f5

230025205 has 8 divisors (see below), whose sum is σ = 280555704. Its totient is φ = 181003200.

The previous prime is 230025199. The next prime is 230025209. The reversal of 230025205 is 502520032.

It can be written as a sum of positive squares in 4 ways, for example, as 25220484 + 204804721 = 5022^2 + 14311^2 .

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

It is not a de Polignac number, because 230025205 - 29 = 230024693 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 (230025209) 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, 376786 + ... + 377395.

It is an arithmetic number, because the mean of its divisors is an integer number (35069463).

Almost surely, 2230025205 is an apocalyptic number.

It is an amenable number.

230025205 is a deficient number, since it is larger than the sum of its proper divisors (50530499).

230025205 is an equidigital number, since it uses as much as digits as its factorization.

230025205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754247.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 230025205 is about 15166.5818495797. The cubic root of 230025205 is about 612.7149477433.

Adding to 230025205 its reverse (502520032), we get a palindrome (732545237).

The spelling of 230025205 in words is "two hundred thirty million, twenty-five thousand, two hundred five".

Divisors: 1 5 61 305 754181 3770905 46005041 230025205