Base | Representation |
---|---|
bin | 1000110101001… |
… | …11010100001001 |
3 | 12011101221101122 |
4 | 10122213110021 |
5 | 122431220031 |
6 | 11203525025 |
7 | 1556501060 |
oct | 432472411 |
9 | 164357348 |
10 | 74085641 |
11 | 38901703 |
12 | 20989775 |
13 | 1246c376 |
14 | 9ba71d7 |
15 | 678647b |
hex | 46a7509 |
74085641 has 8 divisors (see below), whose sum is σ = 84858240. Its totient is φ = 63360288.
The previous prime is 74085601. The next prime is 74085667. The reversal of 74085641 is 14658047.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74085641 - 210 = 74084617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74085601) 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, 8381 + ... + 14778.
It is an arithmetic number, because the mean of its divisors is an integer number (10607280).
Almost surely, 274085641 is an apocalyptic number.
It is an amenable number.
74085641 is a deficient number, since it is larger than the sum of its proper divisors (10772599).
74085641 is a wasteful number, since it uses less digits than its factorization.
74085641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23623.
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 74085641 is about 8607.3016096800. The cubic root of 74085641 is about 419.9955422807.
The spelling of 74085641 in words is "seventy-four million, eighty-five thousand, six hundred forty-one".
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