Base | Representation |
---|---|
bin | 1010001011101… |
… | …1110110000010 |
3 | 2222101000110121 |
4 | 2202323312002 |
5 | 41413244300 |
6 | 4123250454 |
7 | 1026023044 |
oct | 242736602 |
9 | 88330417 |
10 | 42712450 |
11 | 22123550 |
12 | 12379a2a |
13 | 8b06351 |
14 | 595ba94 |
15 | 3b3a81a |
hex | 28bbd82 |
42712450 has 24 divisors (see below), whose sum is σ = 86668560. Its totient is φ = 15531600.
The previous prime is 42712427. The next prime is 42712457. The reversal of 42712450 is 5421724.
42712450 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 (25).
It is not an unprimeable number, because it can be changed into a prime (42712457) 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 11 ways as a sum of consecutive naturals, for example, 38280 + ... + 39379.
It is an arithmetic number, because the mean of its divisors is an integer number (3611190).
Almost surely, 242712450 is an apocalyptic number.
42712450 is an abundant number, since it is smaller than the sum of its proper divisors (43956110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42712450 is a wasteful number, since it uses less digits than its factorization.
42712450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77682 (or 77677 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 25.
The square root of 42712450 is about 6535.4762642060. The cubic root of 42712450 is about 349.5571269210.
The spelling of 42712450 in words is "forty-two million, seven hundred twelve thousand, four hundred fifty".
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