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53745384 = 233711127229
BaseRepresentation
bin1100110100000…
…1011011101000
310202010112210210
43031001123220
5102224323014
65155541120
71221554040
oct315013350
9122115723
1053745384
1128379780
1215bba7a0
13b19a104
1471d0720
154ab9859
hex33416e8

53745384 has 128 divisors (see below), whose sum is σ = 169574400. Its totient is φ = 13789440.

The previous prime is 53745371. The next prime is 53745389. The reversal of 53745384 is 48354735.

It is not an unprimeable number, because it can be changed into a prime (53745389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234582 + ... + 234810.

It is an arithmetic number, because the mean of its divisors is an integer number (1324800).

Almost surely, 253745384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53745384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84787200).

53745384 is an abundant number, since it is smaller than the sum of its proper divisors (115829016).

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

53745384 is a wasteful number, since it uses less digits than its factorization.

53745384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 379 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 53745384 is about 7331.1243339613. The cubic root of 53745384 is about 377.3813120438.

The spelling of 53745384 in words is "fifty-three million, seven hundred forty-five thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 127 132 154 168 229 231 254 264 308 381 458 462 508 616 687 762 889 916 924 1016 1374 1397 1524 1603 1778 1832 1848 2519 2667 2748 2794 3048 3206 3556 4191 4809 5038 5334 5496 5588 6412 7112 7557 8382 9618 9779 10076 10668 11176 12824 15114 16764 17633 19236 19558 20152 21336 29083 29337 30228 33528 35266 38472 39116 52899 58166 58674 60456 70532 78232 87249 105798 116332 117348 141064 174498 203581 211596 232664 234696 319913 348996 407162 423192 610743 639826 697992 814324 959739 1221486 1279652 1628648 1919478 2239391 2442972 2559304 3838956 4478782 4885944 6718173 7677912 8957564 13436346 17915128 26872692 53745384