Base | Representation |
---|---|
bin | 1000110110110… |
… | …00011010101000 |
3 | 12011210011021111 |
4 | 10123120122220 |
5 | 123004134020 |
6 | 11212120104 |
7 | 1561266322 |
oct | 433303250 |
9 | 164704244 |
10 | 74286760 |
11 | 38a29819 |
12 | 20a66034 |
13 | 1250ca82 |
14 | 9c1a612 |
15 | 67c5d5a |
hex | 46d86a8 |
74286760 has 16 divisors (see below), whose sum is σ = 167145300. Its totient is φ = 29714688.
The previous prime is 74286739. The next prime is 74286763. The reversal of 74286760 is 6768247.
It can be written as a sum of positive squares in 2 ways, for example, as 69455556 + 4831204 = 8334^2 + 2198^2 .
It is a super-2 number, since 2×742867602 = 11037045422595200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1857169 = 74286760 / (7 + 4 + 2 + 8 + 6 + 7 + 6 + 0).
It is not an unprimeable number, because it can be changed into a prime (74286763) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928545 + ... + 928624.
Almost surely, 274286760 is an apocalyptic number.
It is an amenable number.
74286760 is an abundant number, since it is smaller than the sum of its proper divisors (92858540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74286760 is a wasteful number, since it uses less digits than its factorization.
74286760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1857180 (or 1857176 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 40.
The square root of 74286760 is about 8618.9767374091. The cubic root of 74286760 is about 420.3752504213.
The spelling of 74286760 in words is "seventy-four million, two hundred eighty-six thousand, seven hundred sixty".
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