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38534784 = 273175903
BaseRepresentation
bin1001001011111…
…1111010000000
32200111202210020
42102333322000
534331103114
63453533440
7645353211
oct222777200
980452706
1038534784
111a82a832
1210aa4280
137ca2962
145191408
1535b2aa9
hex24bfe80

38534784 has 64 divisors (see below), whose sum is σ = 108397440. Its totient is φ = 12087296.

The previous prime is 38534773. The next prime is 38534791. The reversal of 38534784 is 48743583.

38534784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3577 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (1693710).

Almost surely, 238534784 is an apocalyptic number.

38534784 is a gapful number since it is divisible by the number (34) 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 38534784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54198720).

38534784 is an abundant number, since it is smaller than the sum of its proper divisors (69862656).

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

38534784 is a wasteful number, since it uses less digits than its factorization.

38534784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937 (or 5925 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 38534784 is about 6207.6391647711. The cubic root of 38534784 is about 337.7673316765.

The spelling of 38534784 in words is "thirty-eight million, five hundred thirty-four thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 272 384 408 544 816 1088 1632 2176 3264 5903 6528 11806 17709 23612 35418 47224 70836 94448 100351 141672 188896 200702 283344 301053 377792 401404 566688 602106 755584 802808 1133376 1204212 1605616 2266752 2408424 3211232 4816848 6422464 9633696 12844928 19267392 38534784