Search a number
-
+
42854810 = 254285481
BaseRepresentation
bin1010001101111…
…0100110011010
32222122020202012
42203132212122
541432323220
64130305522
71030155065
oct243364632
988566665
1042854810
11222104a9
12124282a2
138b5609b
1459978dc
153b67ac5
hex28de99a

42854810 has 8 divisors (see below), whose sum is σ = 77138676. Its totient is φ = 17141920.

The previous prime is 42854783. The next prime is 42854813. The reversal of 42854810 is 1845824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40233649 + 2621161 = 6343^2 + 1619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×428548102 = 3673069480272200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42854813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142731 + ... + 2142750.

Almost surely, 242854810 is an apocalyptic number.

42854810 is a deficient number, since it is larger than the sum of its proper divisors (34283866).

42854810 is a wasteful number, since it uses less digits than its factorization.

42854810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285488.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 42854810 is about 6546.3585297477. The cubic root of 42854810 is about 349.9450525986.

The spelling of 42854810 in words is "forty-two million, eight hundred fifty-four thousand, eight hundred ten".

Divisors: 1 2 5 10 4285481 8570962 21427405 42854810