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42935184 = 2438409
BaseRepresentation
bin1010001111001…
…0001110010000
32222210100000000
42203302032100
541442411214
64132130000
71030641315
oct243621620
988710000
1042935184
1122265926
1212466900
138b83846
1459b8d0c
153b81809
hex28f2390

42935184 has 90 divisors (see below), whose sum is σ = 125079110. Its totient is φ = 14276736.

The previous prime is 42935177. The next prime is 42935213. The reversal of 42935184 is 48153924.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 944784 = 6480^2 + 972^2 .

It is a super-2 number, since 2×429351842 = 3686860050227712, which contains 22 as substring.

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

It is a nialpdrome in base 9.

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 17 ways as a sum of consecutive naturals, for example, 104772 + ... + 105180.

Almost surely, 242935184 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 42935184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62539555).

42935184 is an abundant number, since it is smaller than the sum of its proper divisors (82143926).

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

42935184 is an frugal number, since it uses more digits than its factorization.

42935184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 414 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 42935184 is about 6552.4944868348. The cubic root of 42935184 is about 350.1636894195.

The spelling of 42935184 in words is "forty-two million, nine hundred thirty-five thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 409 432 486 648 729 818 972 1227 1296 1458 1636 1944 2187 2454 2916 3272 3681 3888 4374 4908 5832 6544 6561 7362 8748 9816 11043 11664 13122 14724 17496 19632 22086 26244 29448 33129 34992 44172 52488 58896 66258 88344 99387 104976 132516 176688 198774 265032 298161 397548 530064 596322 795096 894483 1192644 1590192 1788966 2385288 2683449 3577932 4770576 5366898 7155864 10733796 14311728 21467592 42935184