Base | Representation |
---|---|
bin | 1000110101000… |
… | …01100001011000 |
3 | 12011100201211210 |
4 | 10122201201120 |
5 | 122424440122 |
6 | 11203223120 |
7 | 1556341641 |
oct | 432414130 |
9 | 164321753 |
10 | 74061912 |
11 | 388958a1 |
12 | 20977aa0 |
13 | 12461622 |
14 | 9b9c6c8 |
15 | 677e40c |
hex | 46a1858 |
74061912 has 32 divisors (see below), whose sum is σ = 185734080. Its totient is φ = 24610080.
The previous prime is 74061907. The next prime is 74061917. The reversal of 74061912 is 21916047.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (74061907) and next prime (74061917).
It is a self number, because there is not a number n which added to its sum of digits gives 74061912.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74061917) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3283 + ... + 12605.
It is an arithmetic number, because the mean of its divisors is an integer number (5804190).
Almost surely, 274061912 is an apocalyptic number.
It is an amenable number.
74061912 is an abundant number, since it is smaller than the sum of its proper divisors (111672168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74061912 is a wasteful number, since it uses less digits than its factorization.
74061912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9663 (or 9659 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 74061912 is about 8605.9230765793. The cubic root of 74061912 is about 419.9506971605.
Adding to 74061912 its reverse (21916047), we get a palindrome (95977959).
The spelling of 74061912 in words is "seventy-four million, sixty-one thousand, nine hundred twelve".
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