Search a number
-
+
42907584 = 2631991123
BaseRepresentation
bin1010001110101…
…1011111000000
32222201221010210
42203223133000
541441020314
64131354120
71030464666
oct243533700
988657123
1042907584
1122247115
1212452940
138b74105
1459acc36
153b78559
hex28eb7c0

42907584 has 56 divisors (see below), whose sum is σ = 114198400. Its totient is φ = 14217984.

The previous prime is 42907561. The next prime is 42907589. The reversal of 42907584 is 48570924.

42907584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42907589) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 37647 + ... + 38769.

Almost surely, 242907584 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 42907584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57099200).

42907584 is an abundant number, since it is smaller than the sum of its proper divisors (71290816).

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

42907584 is a wasteful number, since it uses less digits than its factorization.

42907584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 42907584 is about 6550.3880801064. The cubic root of 42907584 is about 350.0886414942.

The spelling of 42907584 in words is "forty-two million, nine hundred seven thousand, five hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 199 398 597 796 1123 1194 1592 2246 2388 3184 3369 4492 4776 6368 6738 8984 9552 12736 13476 17968 19104 26952 35936 38208 53904 71872 107808 215616 223477 446954 670431 893908 1340862 1787816 2681724 3575632 5363448 7151264 10726896 14302528 21453792 42907584