Base | Representation |
---|---|
bin | 1000110110011… |
… | …10010000111100 |
3 | 12011201001020111 |
4 | 10123032100330 |
5 | 123001321210 |
6 | 11211155404 |
7 | 1561034152 |
oct | 433162074 |
9 | 164631214 |
10 | 74245180 |
11 | 38a00559 |
12 | 20a45b64 |
13 | 124c6b79 |
14 | 9c093d2 |
15 | 67b888a |
hex | 46ce43c |
74245180 has 12 divisors (see below), whose sum is σ = 155914920. Its totient is φ = 29698064.
The previous prime is 74245177. The next prime is 74245183. The reversal of 74245180 is 8154247.
It is an interprime number because it is at equal distance from previous prime (74245177) and next prime (74245183).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74245183) 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 3 ways as a sum of consecutive naturals, for example, 1856110 + ... + 1856149.
It is an arithmetic number, because the mean of its divisors is an integer number (12992910).
Almost surely, 274245180 is an apocalyptic number.
It is an amenable number.
74245180 is an abundant number, since it is smaller than the sum of its proper divisors (81669740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74245180 is a wasteful number, since it uses less digits than its factorization.
74245180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3712268 (or 3712266 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 31.
The square root of 74245180 is about 8616.5642805007. The cubic root of 74245180 is about 420.2968045668.
The spelling of 74245180 in words is "seventy-four million, two hundred forty-five thousand, one hundred eighty".
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