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385741872 = 24333724133
BaseRepresentation
bin10110111111011…
…111010000110000
3222212211201101000
4112333133100300
51242222214442
6102135442000
712362515605
oct2677372060
9885751330
10385741872
1118881763a
12a9226300
1361bbb839
14393326ac
1523ce8d4c
hex16fdf430

385741872 has 80 divisors (see below), whose sum is σ = 1137194080. Its totient is φ = 125100288.

The previous prime is 385741871. The next prime is 385741879. The reversal of 385741872 is 278147583.

385741872 is a `hidden beast` number, since 3 + 8 + 574 + 1 + 8 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (385741871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3918 + ... + 28050.

It is an arithmetic number, because the mean of its divisors is an integer number (14214926).

Almost surely, 2385741872 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 385741872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568597040).

385741872 is an abundant number, since it is smaller than the sum of its proper divisors (751452208).

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

385741872 is a wasteful number, since it uses less digits than its factorization.

385741872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24187 (or 24175 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 385741872 is about 19640.3124211404. The cubic root of 385741872 is about 727.9456043566.

The spelling of 385741872 in words is "three hundred eighty-five million, seven hundred forty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 37 48 54 72 74 108 111 144 148 216 222 296 333 432 444 592 666 888 999 1332 1776 1998 2664 3996 5328 7992 15984 24133 48266 72399 96532 144798 193064 217197 289596 386128 434394 579192 651591 868788 892921 1158384 1303182 1737576 1785842 2606364 2678763 3475152 3571684 5212728 5357526 7143368 8036289 10425456 10715052 14286736 16072578 21430104 24108867 32145156 42860208 48217734 64290312 96435468 128580624 192870936 385741872