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3881472 = 2937192
BaseRepresentation
bin1110110011101000000000
321022012101020
432303220000
51443201342
6215105440
744664150
oct16635000
97265336
103881472
112211231
121372280
13a5b93a
14730760
1551a0ec
hex3b3a00

3881472 has 120 divisors (see below), whose sum is σ = 12472416. Its totient is φ = 1050624.

The previous prime is 3881467. The next prime is 3881509. The reversal of 3881472 is 2741883.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204279 + ... + 204297.

Almost surely, 23881472 is an apocalyptic number.

3881472 is a gapful number since it is divisible by the number (32) 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 3881472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6236208).

3881472 is an abundant number, since it is smaller than the sum of its proper divisors (8590944).

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

3881472 is an equidigital number, since it uses as much as digits as its factorization.

3881472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 31 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 3881472 is about 1970.1451723160. The cubic root of 3881472 is about 157.1564292095.

Multiplying 3881472 by its product of digits (10752), we get a square (41733586944 = 2042882).

3881472 divided by its product of digits (10752) gives a square (361 = 192).

The spelling of 3881472 in words is "three million, eight hundred eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 64 76 84 96 112 114 128 133 152 168 192 224 228 256 266 304 336 361 384 399 448 456 512 532 608 672 722 768 798 896 912 1064 1083 1216 1344 1444 1536 1596 1792 1824 2128 2166 2432 2527 2688 2888 3192 3584 3648 4256 4332 4864 5054 5376 5776 6384 7296 7581 8512 8664 9728 10108 10752 11552 12768 14592 15162 17024 17328 20216 23104 25536 29184 30324 34048 34656 40432 46208 51072 60648 68096 69312 80864 92416 102144 121296 138624 161728 184832 204288 242592 277248 323456 485184 554496 646912 970368 1293824 1940736 3881472