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38028480 = 263575659
BaseRepresentation
bin1001000100010…
…0010011000000
32122120001021020
42101010103000
534213402410
63435025440
7641144130
oct221042300
978501236
1038028480
111a5143a6
121089b280
137b56379
14509cac0
153512a70
hex24444c0

38028480 has 112 divisors (see below), whose sum is σ = 138013440. Its totient is φ = 8690688.

The previous prime is 38028461. The next prime is 38028491. The reversal of 38028480 is 8482083.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×380284802 = 2892330582220800, which contains 22 as substring.

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, 3891 + ... + 9549.

Almost surely, 238028480 is an apocalyptic number.

38028480 is a gapful number since it is divisible by the number (30) 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 38028480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69006720).

38028480 is an abundant number, since it is smaller than the sum of its proper divisors (99984960).

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

38028480 is a wasteful number, since it uses less digits than its factorization.

38028480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686 (or 5676 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 38028480 is about 6166.7236033408. The cubic root of 38028480 is about 336.2815101089.

The spelling of 38028480 in words is "thirty-eight million, twenty-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1680 2240 3360 5659 6720 11318 16977 22636 28295 33954 39613 45272 56590 67908 79226 84885 90544 113180 118839 135816 158452 169770 181088 198065 226360 237678 271632 316904 339540 362176 396130 452720 475356 543264 594195 633808 679080 792260 905440 950712 1086528 1188390 1267616 1358160 1584520 1810880 1901424 2376780 2535232 2716320 3169040 3802848 4753560 5432640 6338080 7605696 9507120 12676160 19014240 38028480