Base | Representation |
---|---|
bin | 1000111001110… |
… | …01010001011001 |
3 | 12012112022110212 |
4 | 10130321101121 |
5 | 123104332411 |
6 | 11224420505 |
7 | 1564541045 |
oct | 434712131 |
9 | 165468425 |
10 | 74683481 |
11 | 3917a894 |
12 | 21017735 |
13 | 1261b512 |
14 | 9cc1025 |
15 | 685368b |
hex | 4739459 |
74683481 has 2 divisors, whose sum is σ = 74683482. Its totient is φ = 74683480.
The previous prime is 74683463. The next prime is 74683489. The reversal of 74683481 is 18438647.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 38875225 + 35808256 = 6235^2 + 5984^2 .
It is a cyclic number.
It is not a de Polignac number, because 74683481 - 214 = 74667097 is a prime.
It is a super-2 number, since 2×746834812 = 11155244668554722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (74683489) 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 as a sum of consecutive naturals, namely, 37341740 + 37341741.
It is an arithmetic number, because the mean of its divisors is an integer number (37341741).
Almost surely, 274683481 is an apocalyptic number.
It is an amenable number.
74683481 is a deficient number, since it is larger than the sum of its proper divisors (1).
74683481 is an equidigital number, since it uses as much as digits as its factorization.
74683481 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 129024, while the sum is 41.
The square root of 74683481 is about 8641.9604835940. The cubic root of 74683481 is about 421.1222462142.
The spelling of 74683481 in words is "seventy-four million, six hundred eighty-three thousand, four hundred eighty-one".
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