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231000336 = 2434725463
BaseRepresentation
bin11011100010011…
…00100100010000
3121002200000220000
431301030210100
5433114002321
634531050000
75503320240
oct1561144420
9532600800
10231000336
11109436a76
1265440900
1338b1c6b8
1422971b20
151542e826
hexdc4c910

231000336 has 100 divisors (see below), whose sum is σ = 764123712. Its totient is φ = 65997504.

The previous prime is 231000323. The next prime is 231000353. The reversal of 231000336 is 633000132.

It is a happy number.

It is a super-2 number, since 2×2310003362 = 106722310464225792, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3660 + ... + 21803.

Almost surely, 2231000336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231000336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382061856).

231000336 is an abundant number, since it is smaller than the sum of its proper divisors (533123376).

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

231000336 is a wasteful number, since it uses less digits than its factorization.

231000336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490 (or 25475 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 231000336 is about 15198.6952071551. The cubic root of 231000336 is about 613.5795414590.

Adding to 231000336 its reverse (633000132), we get a palindrome (864000468).

The spelling of 231000336 in words is "two hundred thirty-one million, three hundred thirty-six", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 252 324 336 378 432 504 567 648 756 1008 1134 1296 1512 2268 3024 4536 9072 25463 50926 76389 101852 152778 178241 203704 229167 305556 356482 407408 458334 534723 611112 687501 712964 916668 1069446 1222224 1375002 1425928 1604169 1833336 2062503 2138892 2750004 2851856 3208338 3666672 4125006 4277784 4812507 5500008 6416676 8250012 8555568 9625014 11000016 12833352 14437521 16500024 19250028 25666704 28875042 33000048 38500056 57750084 77000112 115500168 231000336