Search a number
-
+
42241020 = 2235704017
BaseRepresentation
bin1010000100100…
…0101111111100
32221111001210020
42201020233330
541303203040
64105212140
71022020443
oct241105774
987431706
1042241020
1121931338
1212191050
13899c8b3
145877d5a
153a95cd0
hex2848bfc

42241020 has 24 divisors (see below), whose sum is σ = 118275024. Its totient is φ = 11264256.

The previous prime is 42240977. The next prime is 42241027. The reversal of 42241020 is 2014224.

42241020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42241027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351949 + ... + 352068.

It is an arithmetic number, because the mean of its divisors is an integer number (4928126).

Almost surely, 242241020 is an apocalyptic number.

It is an amenable number.

42241020 is an abundant number, since it is smaller than the sum of its proper divisors (76034004).

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

42241020 is a wasteful number, since it uses less digits than its factorization.

42241020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704029 (or 704027 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 42241020 is about 6499.3091940606. The cubic root of 42241020 is about 348.2663108818.

Adding to 42241020 its reverse (2014224), we get a palindrome (44255244).

The spelling of 42241020 in words is "forty-two million, two hundred forty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 704017 1408034 2112051 2816068 3520085 4224102 7040170 8448204 10560255 14080340 21120510 42241020