Search a number
-
+
42041284 = 2273143977
BaseRepresentation
bin1010000001011…
…1111111000100
32221002220210121
42200113333010
541230310114
64101031324
71020226225
oct240277704
987086717
1042041284
112180526a
12120b5544
13892c9cc
14582524c
153a56a24
hex2817fc4

42041284 has 12 divisors (see below), whose sum is σ = 74580604. Its totient is φ = 20732544.

The previous prime is 42041273. The next prime is 42041297. The reversal of 42041284 is 48214024.

42041284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32604100 + 9437184 = 5710^2 + 3072^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71697 + ... + 72280.

Almost surely, 242041284 is an apocalyptic number.

It is an amenable number.

42041284 is a deficient number, since it is larger than the sum of its proper divisors (32539320).

42041284 is a wasteful number, since it uses less digits than its factorization.

42041284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144054 (or 144052 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 42041284 is about 6483.9250458345. The cubic root of 42041284 is about 347.7165194810.

The spelling of 42041284 in words is "forty-two million, forty-one thousand, two hundred eighty-four".

Divisors: 1 2 4 73 146 292 143977 287954 575908 10510321 21020642 42041284