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38024320 = 275195359
BaseRepresentation
bin1001000100001…
…1010010000000
32122112211120011
42101003102000
534213234240
63434554304
7641126035
oct221032200
978484504
1038024320
111a511264
1210898994
137b544c9
14509b38c
1535116ea
hex2443480

38024320 has 128 divisors (see below), whose sum is σ = 99144000. Its totient is φ = 13897728.

The previous prime is 38024297. The next prime is 38024351. The reversal of 38024320 is 2342083.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×380243202 = 2891697822924800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38024291 and 38024300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644451 + ... + 644509.

Almost surely, 238024320 is an apocalyptic number.

38024320 is the 5035-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38024320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49572000).

38024320 is an abundant number, since it is smaller than the sum of its proper divisors (61119680).

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

38024320 is a wasteful number, since it uses less digits than its factorization.

38024320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 38024320 is about 6166.3862999329. The cubic root of 38024320 is about 336.2692475266.

It can be divided in two parts, 380 and 24320, that multiplied together give a square (9241600 = 30402).

The spelling of 38024320 in words is "thirty-eight million, twenty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 53 59 64 76 80 95 106 118 128 152 160 190 212 236 265 295 304 320 380 424 472 530 590 608 640 760 848 944 1007 1060 1121 1180 1216 1520 1696 1888 2014 2120 2242 2360 2432 3040 3127 3392 3776 4028 4240 4484 4720 5035 5605 6080 6254 6784 7552 8056 8480 8968 9440 10070 11210 12160 12508 15635 16112 16960 17936 18880 20140 22420 25016 31270 32224 33920 35872 37760 40280 44840 50032 59413 62540 64448 71744 80560 89680 100064 118826 125080 128896 143488 161120 179360 200128 237652 250160 297065 322240 358720 400256 475304 500320 594130 644480 717440 950608 1000640 1188260 1901216 2001280 2376520 3802432 4753040 7604864 9506080 19012160 38024320