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42541224 = 23311161141
BaseRepresentation
bin1010001001001…
…0000010101000
32222001022120220
42202102002220
541342304344
64115450040
71024410615
oct242220250
988038526
1042541224
1122016940
12122b6920
138a7642b
14591550c
153b04c19
hex28920a8

42541224 has 32 divisors (see below), whose sum is σ = 116022240. Its totient is φ = 12891200.

The previous prime is 42541211. The next prime is 42541229. The reversal of 42541224 is 42214524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 42541194 and 42541203.

It is not an unprimeable number, because it can be changed into a prime (42541229) 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, 80307 + ... + 80834.

It is an arithmetic number, because the mean of its divisors is an integer number (3625695).

Almost surely, 242541224 is an apocalyptic number.

42541224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42541224 is an abundant number, since it is smaller than the sum of its proper divisors (73481016).

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

42541224 is a wasteful number, since it uses less digits than its factorization.

42541224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161161 (or 161157 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 42541224 is about 6522.3633753418. The cubic root of 42541224 is about 349.0893989143.

Adding to 42541224 its reverse (42214524), we get a palindrome (84755748).

The spelling of 42541224 in words is "forty-two million, five hundred forty-one thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 161141 322282 483423 644564 966846 1289128 1772551 1933692 3545102 3867384 5317653 7090204 10635306 14180408 21270612 42541224