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12300800 = 2952312
BaseRepresentation
bin101110111011…
…001000000000
3212010221112012
4232323020000
511122111200
61115352052
7206361251
oct56731000
925127465
1012300800
116a41856
124152628
132718ba5
1418c2b28
15112ea35
hexbbb200

12300800 has 90 divisors (see below), whose sum is σ = 31491009. Its totient is φ = 4761600.

The previous prime is 12300767. The next prime is 12300817. The reversal of 12300800 is 800321.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 246016 = 3472^2 + 496^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2480.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 396785 + ... + 396815.

Almost surely, 212300800 is an apocalyptic number.

12300800 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 12300800

12300800 is an abundant number, since it is smaller than the sum of its proper divisors (19190209).

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

12300800 is an frugal number, since it uses more digits than its factorization.

12300800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12300800 is about 3507.2496346853. The cubic root of 12300800 is about 230.8400284202.

The spelling of 12300800 in words is "twelve million, three hundred thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 128 155 160 200 248 256 310 320 400 496 512 620 640 775 800 961 992 1240 1280 1550 1600 1922 1984 2480 2560 3100 3200 3844 3968 4805 4960 6200 6400 7688 7936 9610 9920 12400 12800 15376 15872 19220 19840 24025 24800 30752 38440 39680 48050 49600 61504 76880 79360 96100 99200 123008 153760 192200 198400 246016 307520 384400 396800 492032 615040 768800 1230080 1537600 2460160 3075200 6150400 12300800