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42024042 = 233778223
BaseRepresentation
bin1010000001001…
…1110001101010
32221002001011000
42200103301222
541224232132
64100415430
71020125034
oct240236152
987061130
1042024042
11217a3315
12120a7576
138924bc8
14581cc54
153a5187c
hex2813c6a

42024042 has 16 divisors (see below), whose sum is σ = 93386880. Its totient is φ = 14007996.

The previous prime is 42024041. The next prime is 42024049. The reversal of 42024042 is 24042024.

Adding to 42024042 its reverse (24042024), we get a palindrome (66066066).

42024042 is a `hidden beast` number, since 420 + 240 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (42024041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389058 + ... + 389165.

It is an arithmetic number, because the mean of its divisors is an integer number (5836680).

Almost surely, 242024042 is an apocalyptic number.

42024042 is an abundant number, since it is smaller than the sum of its proper divisors (51362838).

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

42024042 is a wasteful number, since it uses less digits than its factorization.

42024042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778234 (or 778228 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 42024042 is about 6482.5953136070. The cubic root of 42024042 is about 347.6689777359.

The spelling of 42024042 in words is "forty-two million, twenty-four thousand, forty-two".