Base | Representation |
---|---|
bin | 1000110111110… |
… | …00101100100100 |
3 | 12012000212122112 |
4 | 10123320230210 |
5 | 123022401410 |
6 | 11215020152 |
7 | 1562356646 |
oct | 433705444 |
9 | 165025575 |
10 | 74418980 |
11 | 3900a099 |
12 | 20b0a658 |
13 | 12557ccc |
14 | 9c52896 |
15 | 6800105 |
hex | 46f8b24 |
74418980 has 24 divisors (see below), whose sum is σ = 156444288. Its totient is φ = 29736288.
The previous prime is 74418973. The next prime is 74418989. The reversal of 74418980 is 8981447.
It is a happy number.
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (74418989) 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, 31397 + ... + 33683.
It is an arithmetic number, because the mean of its divisors is an integer number (6518512).
Almost surely, 274418980 is an apocalyptic number.
It is an amenable number.
74418980 is an abundant number, since it is smaller than the sum of its proper divisors (82025308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74418980 is a wasteful number, since it uses less digits than its factorization.
74418980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3923 (or 3921 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 41.
The square root of 74418980 is about 8626.6436115096. The cubic root of 74418980 is about 420.6245055695.
The spelling of 74418980 in words is "seventy-four million, four hundred eighteen thousand, nine hundred eighty".
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