Search a number
-
+
42511053 = 3131090027
BaseRepresentation
bin1010001000101…
…0101011001101
32221222210012110
42202022223031
541340323203
64115054233
71024223634
oct242125315
987883173
1042511053
1121aa6202
12122a1379
138a65790
14590851b
153aead03
hex288aacd

42511053 has 8 divisors (see below), whose sum is σ = 61041568. Its totient is φ = 26160624.

The previous prime is 42511043. The next prime is 42511069. The reversal of 42511053 is 35011524.

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

It is not a de Polignac number, because 42511053 - 26 = 42510989 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42511003) 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, 544975 + ... + 545052.

It is an arithmetic number, because the mean of its divisors is an integer number (7630196).

Almost surely, 242511053 is an apocalyptic number.

It is an amenable number.

42511053 is a deficient number, since it is larger than the sum of its proper divisors (18530515).

42511053 is a wasteful number, since it uses less digits than its factorization.

42511053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090043.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 42511053 is about 6520.0500764948. The cubic root of 42511053 is about 349.0068525733.

Adding to 42511053 its reverse (35011524), we get a palindrome (77522577).

The spelling of 42511053 in words is "forty-two million, five hundred eleven thousand, fifty-three".

Divisors: 1 3 13 39 1090027 3270081 14170351 42511053