Search a number
-
+
42504869 = 115696791
BaseRepresentation
bin1010001000100…
…1001010100101
32221222110201102
42202021022211
541340123434
64115005445
71024166621
oct242111245
987873642
1042504869
1121aa15a0
1212299885
138a62a14
145906181
153ae907e
hex28892a5

42504869 has 8 divisors (see below), whose sum is σ = 46457280. Its totient is φ = 38567200.

The previous prime is 42504853. The next prime is 42504893. The reversal of 42504869 is 96840524.

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

It is a cyclic number.

It is not a de Polignac number, because 42504869 - 24 = 42504853 is a prime.

It is a super-2 number, since 2×425048692 = 3613327777414322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42504809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 9654.

It is an arithmetic number, because the mean of its divisors is an integer number (5807160).

Almost surely, 242504869 is an apocalyptic number.

It is an amenable number.

42504869 is a deficient number, since it is larger than the sum of its proper divisors (3952411).

42504869 is a wasteful number, since it uses less digits than its factorization.

42504869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 42504869 is about 6519.5758297607. The cubic root of 42504869 is about 348.9899286372.

It can be divided in two parts, 4250 and 4869, that added together give a palindrome (9119).

The spelling of 42504869 in words is "forty-two million, five hundred four thousand, eight hundred sixty-nine".

Divisors: 1 11 569 6259 6791 74701 3864079 42504869