Search a number
-
+
231223300 = 225271130029
BaseRepresentation
bin11011100100000…
…11000000000100
3121010002100201221
431302003000010
5433143121200
634535530124
75505236260
oct1562030004
9533070657
10231223300
11109579540
1265529944
1338b9a029
14229cd0a0
151547591a
hexdc83004

231223300 has 72 divisors (see below), whose sum is σ = 625584960. Its totient is φ = 72067200.

The previous prime is 231223297. The next prime is 231223373. The reversal of 231223300 is 3322132.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7315 + ... + 22714.

It is an arithmetic number, because the mean of its divisors is an integer number (8688680).

Almost surely, 2231223300 is an apocalyptic number.

231223300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231223300 is an abundant number, since it is smaller than the sum of its proper divisors (394361660).

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

231223300 is a wasteful number, since it uses less digits than its factorization.

231223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30061 (or 30054 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 231223300 is about 15206.0284098117. The cubic root of 231223300 is about 613.7768891617.

Adding to 231223300 its reverse (3322132), we get a palindrome (234545432).

The spelling of 231223300 in words is "two hundred thirty-one million, two hundred twenty-three thousand, three hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1100 1540 1925 3850 7700 30029 60058 120116 150145 210203 300290 330319 420406 600580 660638 750725 840812 1051015 1321276 1501450 1651595 2102030 2312233 3002900 3303190 4204060 4624466 5255075 6606380 8257975 9248932 10510150 11561165 16515950 21020300 23122330 33031900 46244660 57805825 115611650 231223300