Base | Representation |
---|---|
bin | 1010000110000… |
… | …1111010000110 |
3 | 2221200022010220 |
4 | 2201201322012 |
5 | 41320002240 |
6 | 4111325210 |
7 | 1022630046 |
oct | 241417206 |
9 | 87608126 |
10 | 42344070 |
11 | 219a17aa |
12 | 12220806 |
13 | 8a07782 |
14 | 58a3726 |
15 | 3ab65d0 |
hex | 2861e86 |
42344070 has 32 divisors (see below), whose sum is σ = 101852640. Its totient is φ = 11266560.
The previous prime is 42344069. The next prime is 42344077. The reversal of 42344070 is 7044324.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 42344070.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42344077) 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 15 ways as a sum of consecutive naturals, for example, 14926 + ... + 17534.
It is an arithmetic number, because the mean of its divisors is an integer number (3182895).
Almost surely, 242344070 is an apocalyptic number.
42344070 is an abundant number, since it is smaller than the sum of its proper divisors (59508570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42344070 is a wasteful number, since it uses less digits than its factorization.
42344070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3160.
The product of its (nonzero) digits is 2688, while the sum is 24.
The square root of 42344070 is about 6507.2321304837. The cubic root of 42344070 is about 348.5492877793.
Adding to 42344070 its reverse (7044324), we get a palindrome (49388394).
The spelling of 42344070 in words is "forty-two million, three hundred forty-four thousand, seventy".
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