Search a number
-
+
42933078 = 2343183103
BaseRepresentation
bin1010001111000…
…1101101010110
32222210020010000
42203301231112
541442324303
64132112130
71030632216
oct243615526
988706100
1042933078
1122264291
1212465646
138b828b6
1459b8246
153b80da3
hex28f1b56

42933078 has 80 divisors (see below), whose sum is σ = 101477376. Its totient is φ = 13549680.

The previous prime is 42933071. The next prime is 42933089. The reversal of 42933078 is 87033924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42933071) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 416775 + ... + 416877.

Almost surely, 242933078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42933078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50738688).

42933078 is an abundant number, since it is smaller than the sum of its proper divisors (58544298).

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

42933078 is a wasteful number, since it uses less digits than its factorization.

42933078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 42933078 is about 6552.3337827067. Note that the first 3 decimals coincide. The cubic root of 42933078 is about 350.1579640701.

The spelling of 42933078 in words is "forty-two million, nine hundred thirty-three thousand, seventy-eight".

Divisors: 1 2 3 6 9 18 27 31 54 62 81 83 93 103 162 166 186 206 249 279 309 498 558 618 747 837 927 1494 1674 1854 2241 2511 2573 2781 3193 4482 5022 5146 5562 6386 6723 7719 8343 8549 9579 13446 15438 16686 17098 19158 23157 25647 28737 46314 51294 57474 69471 76941 86211 138942 153882 172422 208413 230823 258633 265019 416826 461646 517266 530038 692469 795057 1384938 1590114 2385171 4770342 7155513 14311026 21466539 42933078