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230205572 = 2271810583
BaseRepresentation
bin11011011100010…
…10100010000100
3121001011122200022
431232022202010
5432413034242
634502034312
75463500162
oct1556124204
9531148608
10230205572
11108a43943
1265118998
1338901a1c
1422806232
15153240d2
hexdb8a884

230205572 has 12 divisors (see below), whose sum is σ = 408534336. Its totient is φ = 113481480.

The previous prime is 230205571. The next prime is 230205581. The reversal of 230205572 is 275502032.

230205572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2302055723 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (230205571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405008 + ... + 405575.

It is an arithmetic number, because the mean of its divisors is an integer number (34044528).

Almost surely, 2230205572 is an apocalyptic number.

It is an amenable number.

230205572 is a deficient number, since it is larger than the sum of its proper divisors (178328764).

230205572 is a wasteful number, since it uses less digits than its factorization.

230205572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810658 (or 810656 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 230205572 is about 15172.5268824939. The cubic root of 230205572 is about 612.8750529287.

The spelling of 230205572 in words is "two hundred thirty million, two hundred five thousand, five hundred seventy-two".

Divisors: 1 2 4 71 142 284 810583 1621166 3242332 57551393 115102786 230205572