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230203662 = 23138933161
BaseRepresentation
bin11011011100010…
…10000100001110
3121001011120001120
431232022010032
5432413004122
634502021410
75463461463
oct1556120416
9531146046
10230203662
11108a42467
1265117866
1338900bb0
142280566a
151532375c
hexdb8a10e

230203662 has 32 divisors (see below), whose sum is σ = 501409440. Its totient is φ = 70033920.

The previous prime is 230203657. The next prime is 230203669. The reversal of 230203662 is 266302032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230203669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9639 + ... + 23522.

It is an arithmetic number, because the mean of its divisors is an integer number (15669045).

Almost surely, 2230203662 is an apocalyptic number.

230203662 is an abundant number, since it is smaller than the sum of its proper divisors (271205778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230203662 is a wasteful number, since it uses less digits than its factorization.

230203662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33268.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 230203662 is about 15172.4639396507. The cubic root of 230203662 is about 612.8733579298.

Adding to 230203662 its reverse (266302032), we get a palindrome (496505694).

The spelling of 230203662 in words is "two hundred thirty million, two hundred three thousand, six hundred sixty-two".

Divisors: 1 2 3 6 13 26 39 78 89 178 267 534 1157 2314 3471 6942 33161 66322 99483 198966 431093 862186 1293279 2586558 2951329 5902658 8853987 17707974 38367277 76734554 115101831 230203662