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232312230 = 23254360029
BaseRepresentation
bin11011101100011…
…00110110100110
3121012010200110200
431312030312212
5433432442410
635015131330
75520423063
oct1566146646
9535120420
10232312230
1110a152687
1265973b46
133918b877
1422bd3c6a
15155dd3c0
hexdd8cda6

232312230 has 48 divisors (see below), whose sum is σ = 618068880. Its totient is φ = 60508224.

The previous prime is 232312189. The next prime is 232312237. The reversal of 232312230 is 32213232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232312237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26145 + ... + 33884.

It is an arithmetic number, because the mean of its divisors is an integer number (12876435).

Almost surely, 2232312230 is an apocalyptic number.

232312230 is an abundant number, since it is smaller than the sum of its proper divisors (385756650).

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

232312230 is a wasteful number, since it uses less digits than its factorization.

232312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60085 (or 60082 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 232312230 is about 15241.7922174526. The cubic root of 232312230 is about 614.7388937204.

Adding to 232312230 its reverse (32213232), we get a palindrome (264525462).

The spelling of 232312230 in words is "two hundred thirty-two million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 43 45 86 90 129 215 258 387 430 645 774 1290 1935 3870 60029 120058 180087 300145 360174 540261 600290 900435 1080522 1800870 2581247 2701305 5162494 5402610 7743741 12906235 15487482 23231223 25812470 38718705 46462446 77437410 116156115 232312230