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385033824 = 2534721221
BaseRepresentation
bin10110111100110…
…010011001100000
3222211111202010000
4112330302121200
51242032040244
6102112340000
712353506410
oct2674623140
9884452100
10385033824
1118838367a
12a8b44600
1361a01486
14391ca640
1523c09169
hex16f32660

385033824 has 120 divisors (see below), whose sum is σ = 1294202448. Its totient is φ = 110004480.

The previous prime is 385033801. The next prime is 385033903. The reversal of 385033824 is 428330583.

385033824 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7534 + ... + 28754.

Almost surely, 2385033824 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 385033824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647101224).

385033824 is an abundant number, since it is smaller than the sum of its proper divisors (909168624).

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

385033824 is a wasteful number, since it uses less digits than its factorization.

385033824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21250 (or 21233 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 385033824 is about 19622.2787667488. The cubic root of 385033824 is about 727.4999383569.

The spelling of 385033824 in words is "three hundred eighty-five million, thirty-three thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 252 288 324 336 378 432 504 567 648 672 756 864 1008 1134 1296 1512 2016 2268 2592 3024 4536 6048 9072 18144 21221 42442 63663 84884 127326 148547 169768 190989 254652 297094 339536 381978 445641 509304 572967 594188 679072 763956 891282 1018608 1145934 1188376 1336923 1527912 1718901 1782564 2037216 2291868 2376752 2673846 3055824 3437802 3565128 4010769 4583736 4753504 5347692 6111648 6875604 7130256 8021538 9167472 10695384 12032307 13751208 14260512 16043076 18334944 21390768 24064614 27502416 32086152 42781536 48129228 55004832 64172304 96258456 128344608 192516912 385033824