Search a number
-
+
42910288 = 242681893
BaseRepresentation
bin1010001110110…
…0001001010000
32222202001211221
42203230021100
541441112123
64131414424
71030505611
oct243541120
988661757
1042910288
1122249153
1212454414
138b75405
1459adc08
153b7925d
hex28ec250

42910288 has 10 divisors (see below), whose sum is σ = 83138714. Its totient is φ = 21455136.

The previous prime is 42910279. The next prime is 42910289. The reversal of 42910288 is 88201924.

It can be written as a sum of positive squares in only one way, i.e., 31674384 + 11235904 = 5628^2 + 3352^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42910289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340931 + ... + 1340962.

Almost surely, 242910288 is an apocalyptic number.

It is an amenable number.

42910288 is a deficient number, since it is larger than the sum of its proper divisors (40228426).

42910288 is a wasteful number, since it uses less digits than its factorization.

42910288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681901 (or 2681895 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 42910288 is about 6550.5944768395. The cubic root of 42910288 is about 350.0959954374.

The spelling of 42910288 in words is "forty-two million, nine hundred ten thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 2681893 5363786 10727572 21455144 42910288