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12303400 = 2352227271
BaseRepresentation
bin101110111011…
…110000101000
3212011002002111
4232323300220
511122202100
61115412104
7206401654
oct56736050
925132074
1012303400
116a437aa
124154034
13271a125
1418c3a64
1511306ba
hexbbbc28

12303400 has 48 divisors (see below), whose sum is σ = 28837440. Its totient is φ = 4881600.

The previous prime is 12303397. The next prime is 12303407. The reversal of 12303400 is 430321.

It is not an unprimeable number, because it can be changed into a prime (12303407) 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 11 ways as a sum of consecutive naturals, for example, 45265 + ... + 45535.

It is an arithmetic number, because the mean of its divisors is an integer number (600780).

Almost surely, 212303400 is an apocalyptic number.

12303400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14418720).

12303400 is an abundant number, since it is smaller than the sum of its proper divisors (16534040).

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

12303400 is a wasteful number, since it uses less digits than its factorization.

12303400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 12303400 is about 3507.6202759136. The cubic root of 12303400 is about 230.8562913677.

Adding to 12303400 its reverse (430321), we get a palindrome (12733721).

The spelling of 12303400 in words is "twelve million, three hundred three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 227 271 454 542 908 1084 1135 1355 1816 2168 2270 2710 4540 5420 5675 6775 9080 10840 11350 13550 22700 27100 45400 54200 61517 123034 246068 307585 492136 615170 1230340 1537925 2460680 3075850 6151700 12303400