Search a number
-
+
42855054 = 2311259029
BaseRepresentation
bin1010001101111…
…0101010001110
32222122021002020
42203132222032
541432330204
64130311010
71030155564
oct243365216
988567066
1042855054
1122210700
1212428466
138b56228
145997a34
153b67bd9
hex28dea8e

42855054 has 24 divisors (see below), whose sum is σ = 94211880. Its totient is φ = 12986160.

The previous prime is 42855053. The next prime is 42855073. The reversal of 42855054 is 45055824.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42855053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28789 + ... + 30240.

It is an arithmetic number, because the mean of its divisors is an integer number (3925495).

Almost surely, 242855054 is an apocalyptic number.

42855054 is an abundant number, since it is smaller than the sum of its proper divisors (51356826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42855054 is a wasteful number, since it uses less digits than its factorization.

42855054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59056 (or 59045 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 42855054 is about 6546.3771660362. The cubic root of 42855054 is about 349.9457167514.

It can be divided in two parts, 4285 and 5054, that added together give a palindrome (9339).

The spelling of 42855054 in words is "forty-two million, eight hundred fifty-five thousand, fifty-four".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 59029 118058 177087 354174 649319 1298638 1947957 3895914 7142509 14285018 21427527 42855054