Base | Representation |
---|---|
bin | 1101110010001010… |
… | …10010110100101010 |
3 | 201002201200001210000 |
4 | 12321011102310222 |
5 | 110123413440244 |
6 | 3222150403430 |
7 | 351245103255 |
oct | 67105226452 |
9 | 21081601700 |
10 | 7400140074 |
11 | 3158205848 |
12 | 1526360576 |
13 | 90c196212 |
14 | 502b5a09c |
15 | 2d4a09169 |
hex | 1b9152d2a |
7400140074 has 20 divisors (see below), whose sum is σ = 16581795714. Its totient is φ = 2466713304.
The previous prime is 7400140073. The next prime is 7400140087. The reversal of 7400140074 is 4700410047.
It can be written as a sum of positive squares in only one way, i.e., 5190482025 + 2209658049 = 72045^2 + 47007^2 .
It is a super-2 number, since 2×74001400742 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (7400140073) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22839777 + ... + 22840100.
Almost surely, 27400140074 is an apocalyptic number.
7400140074 is an abundant number, since it is smaller than the sum of its proper divisors (9181655640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7400140074 is a wasteful number, since it uses less digits than its factorization.
7400140074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45679891 (or 45679882 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 27.
The square root of 7400140074 is about 86024.0668301610. The cubic root of 7400140074 is about 1948.7074558613.
The spelling of 7400140074 in words is "seven billion, four hundred million, one hundred forty thousand, seventy-four".
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