Search a number
-
+
42624341 = 109391049
BaseRepresentation
bin1010001010011…
…0010101010101
32222012112121022
42202212111111
541402434331
64121330525
71025205134
oct242462525
988175538
1042624341
1122073331
1212336a45
138aa5206
14593791b
153b1e67b
hex28a6555

42624341 has 4 divisors (see below), whose sum is σ = 43015500. Its totient is φ = 42233184.

The previous prime is 42624331. The next prime is 42624343. The reversal of 42624341 is 14342624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23483716 + 19140625 = 4846^2 + 4375^2 .

It is a cyclic number.

It is not a de Polignac number, because 42624341 - 218 = 42362197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42624341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42624343) 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, 195416 + ... + 195633.

It is an arithmetic number, because the mean of its divisors is an integer number (10753875).

Almost surely, 242624341 is an apocalyptic number.

It is an amenable number.

42624341 is a deficient number, since it is larger than the sum of its proper divisors (391159).

42624341 is a wasteful number, since it uses less digits than its factorization.

42624341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391158.

The product of its digits is 4608, while the sum is 26.

The square root of 42624341 is about 6528.7319595768. The cubic root of 42624341 is about 349.3166011797.

Adding to 42624341 its reverse (14342624), we get a palindrome (56966965).

The spelling of 42624341 in words is "forty-two million, six hundred twenty-four thousand, three hundred forty-one".

Divisors: 1 109 391049 42624341