Base | Representation |
---|---|
bin | 1000110101011… |
… | …00110101010101 |
3 | 12011110002101211 |
4 | 10122230311111 |
5 | 122432430440 |
6 | 11204221421 |
7 | 1556624011 |
oct | 432546525 |
9 | 164402354 |
10 | 74108245 |
11 | 38917692 |
12 | 2099a871 |
13 | 12479743 |
14 | 9bb1541 |
15 | 678ceea |
hex | 46acd55 |
74108245 has 8 divisors (see below), whose sum is σ = 89811000. Its totient is φ = 58699200.
The previous prime is 74108201. The next prime is 74108261. The reversal of 74108245 is 54280147.
It can be written as a sum of positive squares in 4 ways, for example, as 11350161 + 62758084 = 3369^2 + 7922^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-74108245 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72870 + ... + 73879.
It is an arithmetic number, because the mean of its divisors is an integer number (11226375).
Almost surely, 274108245 is an apocalyptic number.
It is an amenable number.
74108245 is a deficient number, since it is larger than the sum of its proper divisors (15702755).
74108245 is a wasteful number, since it uses less digits than its factorization.
74108245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146855.
The product of its (nonzero) digits is 8960, while the sum is 31.
The square root of 74108245 is about 8608.6145807557. The cubic root of 74108245 is about 420.0382523739.
The spelling of 74108245 in words is "seventy-four million, one hundred eight thousand, two hundred forty-five".
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