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380253312 = 2733472341
BaseRepresentation
bin10110101010100…
…011010010000000
3222111111212111000
4112222203102000
51234321101222
6101422052000
712265046145
oct2652432200
9874455430
10380253312
11185708a3a
12a741a000
1360a1957a
14387043cc
15235b29ac
hex16aa3480

380253312 has 128 divisors (see below), whose sum is σ = 1146643200. Its totient is φ = 124001280.

The previous prime is 380253287. The next prime is 380253373. The reversal of 380253312 is 213352083.

380253312 is a `hidden beast` number, since 380 + 253 + 31 + 2 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 161262 + ... + 163602.

It is an arithmetic number, because the mean of its divisors is an integer number (8958150).

Almost surely, 2380253312 is an apocalyptic number.

380253312 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 380253312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573321600).

380253312 is an abundant number, since it is smaller than the sum of its proper divisors (766389888).

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

380253312 is a wasteful number, since it uses less digits than its factorization.

380253312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 380253312 is about 19500.0849228920. The cubic root of 380253312 is about 724.4765540724.

The spelling of 380253312 in words is "three hundred eighty million, two hundred fifty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 47 48 54 64 72 94 96 108 128 141 144 188 192 216 282 288 376 384 423 432 564 576 752 846 864 1128 1152 1269 1504 1692 1728 2256 2341 2538 3008 3384 3456 4512 4682 5076 6016 6768 7023 9024 9364 10152 13536 14046 18048 18728 20304 21069 27072 28092 37456 40608 42138 54144 56184 63207 74912 81216 84276 110027 112368 126414 149824 162432 168552 220054 224736 252828 299648 330081 337104 440108 449472 505656 660162 674208 880216 898944 990243 1011312 1320324 1348416 1760432 1980486 2022624 2640648 2696832 2970729 3520864 3960972 4045248 5281296 5941458 7041728 7921944 8090496 10562592 11882916 14083456 15843888 21125184 23765832 31687776 42250368 47531664 63375552 95063328 126751104 190126656 380253312