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13230800 = 2452113197
BaseRepresentation
bin110010011110…
…001011010000
3220220012020122
4302132023100
511341341200
61151325412
7220313522
oct62361320
926805218
1013230800
117517550
124520868
13298329b
141a85a12
151265385
hexc9e2d0

13230800 has 120 divisors (see below), whose sum is σ = 36164352. Its totient is φ = 4608000.

The previous prime is 13230797. The next prime is 13230803. The reversal of 13230800 is 803231.

It is an interprime number because it is at equal distance from previous prime (13230797) and next prime (13230803).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230803) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 136352 + ... + 136448.

Almost surely, 213230800 is an apocalyptic number.

13230800 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 13230800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18082176).

13230800 is an abundant number, since it is smaller than the sum of its proper divisors (22933552).

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

13230800 is a wasteful number, since it uses less digits than its factorization.

13230800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13230800 is about 3637.4166657121. The cubic root of 13230800 is about 236.5168219839.

The spelling of 13230800 in words is "thirteen million, two hundred thirty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 31 40 44 50 55 62 80 88 97 100 110 124 155 176 194 200 220 248 275 310 341 388 400 440 485 496 550 620 682 775 776 880 970 1067 1100 1240 1364 1550 1552 1705 1940 2134 2200 2425 2480 2728 3007 3100 3410 3880 4268 4400 4850 5335 5456 6014 6200 6820 7760 8525 8536 9700 10670 12028 12400 13640 15035 17050 17072 19400 21340 24056 26675 27280 30070 33077 34100 38800 42680 48112 53350 60140 66154 68200 75175 85360 106700 120280 132308 136400 150350 165385 213400 240560 264616 300700 330770 426800 529232 601400 661540 826925 1202800 1323080 1653850 2646160 3307700 6615400 13230800