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13024000 = 28531137
BaseRepresentation
bin110001101011…
…101100000000
3220111200120101
4301223230000
511313232000
61143052144
7215462563
oct61535400
926450511
1013024000
117396140
124441054
132910112
141a304da
151223e6a
hexc6bb00

13024000 has 144 divisors (see below), whose sum is σ = 36350496. Its totient is φ = 4608000.

The previous prime is 13023991. The next prime is 13024007. The reversal of 13024000 is 42031.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13024007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351982 + ... + 352018.

It is an arithmetic number, because the mean of its divisors is an integer number (252434).

Almost surely, 213024000 is an apocalyptic number.

13024000 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 13024000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18175248).

13024000 is an abundant number, since it is smaller than the sum of its proper divisors (23326496).

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

13024000 is an equidigital number, since it uses as much as digits as its factorization.

13024000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 13024000 is about 3608.8779419648. The cubic root of 13024000 is about 235.2780773379.

Adding to 13024000 its reverse (42031), we get a palindrome (13066031).

The spelling of 13024000 in words is "thirteen million, twenty-four thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 37 40 44 50 55 64 74 80 88 100 110 125 128 148 160 176 185 200 220 250 256 275 296 320 352 370 400 407 440 500 550 592 640 704 740 800 814 880 925 1000 1100 1184 1280 1375 1408 1480 1600 1628 1760 1850 2000 2035 2200 2368 2750 2816 2960 3200 3256 3520 3700 4000 4070 4400 4625 4736 5500 5920 6400 6512 7040 7400 8000 8140 8800 9250 9472 10175 11000 11840 13024 14080 14800 16000 16280 17600 18500 20350 22000 23680 26048 29600 32000 32560 35200 37000 40700 44000 47360 50875 52096 59200 65120 70400 74000 81400 88000 101750 104192 118400 130240 148000 162800 176000 203500 236800 260480 296000 325600 352000 407000 520960 592000 651200 814000 1184000 1302400 1628000 2604800 3256000 6512000 13024000