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13838000 = 2453111737
BaseRepresentation
bin110100110010…
…011010110000
3222001001011112
4310302122300
512020304000
61212332452
7225423011
oct64623260
928031145
1013838000
1178a1770
124774128
132b36787
141ba3008
151335235
hexd326b0

13838000 has 160 divisors (see below), whose sum is σ = 39693888. Its totient is φ = 4608000.

The previous prime is 13837981. The next prime is 13838021. The reversal of 13838000 is 83831.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 373982 + ... + 374018.

Almost surely, 213838000 is an apocalyptic number.

13838000 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 13838000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19846944).

13838000 is an abundant number, since it is smaller than the sum of its proper divisors (25855888).

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

13838000 is a wasteful number, since it uses less digits than its factorization.

13838000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13838000 is about 3719.9462361706. The cubic root of 13838000 is about 240.0809911839.

The spelling of 13838000 in words is "thirteen million, eight hundred thirty-eight thousand".

Divisors: 1 2 4 5 8 10 11 16 17 20 22 25 34 37 40 44 50 55 68 74 80 85 88 100 110 125 136 148 170 176 185 187 200 220 250 272 275 296 340 370 374 400 407 425 440 500 550 592 629 680 740 748 814 850 880 925 935 1000 1100 1258 1360 1375 1480 1496 1628 1700 1850 1870 2000 2035 2125 2200 2516 2750 2960 2992 3145 3256 3400 3700 3740 4070 4250 4400 4625 4675 5032 5500 6290 6512 6800 6919 7400 7480 8140 8500 9250 9350 10064 10175 11000 12580 13838 14800 14960 15725 16280 17000 18500 18700 20350 22000 23375 25160 27676 31450 32560 34000 34595 37000 37400 40700 46750 50320 50875 55352 62900 69190 74000 74800 78625 81400 93500 101750 110704 125800 138380 157250 162800 172975 187000 203500 251600 276760 314500 345950 374000 407000 553520 629000 691900 814000 864875 1258000 1383800 1729750 2767600 3459500 6919000 13838000