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12303928 = 2371316901
BaseRepresentation
bin101110111011…
…111000111000
3212011002211001
4232323320320
511122211203
61115414344
7206403340
oct56737070
925132731
1012303928
116a4413a
1241543b4
13271a440
1418c3d20
15113091d
hexbbbe38

12303928 has 32 divisors (see below), whose sum is σ = 28395360. Its totient is φ = 4867200.

The previous prime is 12303911. The next prime is 12303953. The reversal of 12303928 is 82930321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12303896 and 12303905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7723 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (887355).

Almost surely, 212303928 is an apocalyptic number.

It is an amenable number.

12303928 is an abundant number, since it is smaller than the sum of its proper divisors (16091432).

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

12303928 is a wasteful number, since it uses less digits than its factorization.

12303928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16927 (or 16923 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12303928 is about 3507.6955398096. The cubic root of 12303928 is about 230.8595937171.

It can be divided in two parts, 12303 and 928, that added together give a palindrome (13231).

The spelling of 12303928 in words is "twelve million, three hundred three thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 16901 33802 67604 118307 135208 219713 236614 439426 473228 878852 946456 1537991 1757704 3075982 6151964 12303928