Base | Representation |
---|---|
bin | 1000110100101… |
… | …11111100011001 |
3 | 12011021202000210 |
4 | 10122113330121 |
5 | 122422211211 |
6 | 11202321333 |
7 | 1556116365 |
oct | 432277431 |
9 | 164252023 |
10 | 74022681 |
11 | 38869377 |
12 | 20959249 |
13 | 12449805 |
14 | 9b8c2a5 |
15 | 67729a6 |
hex | 4697f19 |
74022681 has 8 divisors (see below), whose sum is σ = 101364544. Its totient is φ = 48014640.
The previous prime is 74022679. The next prime is 74022713. The reversal of 74022681 is 18622047.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74022681 - 21 = 74022679 is a prime.
It is a super-2 number, since 2×740226812 = 10958714604855522, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (74022601) 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, 333325 + ... + 333546.
It is an arithmetic number, because the mean of its divisors is an integer number (12670568).
Almost surely, 274022681 is an apocalyptic number.
It is an amenable number.
74022681 is a deficient number, since it is larger than the sum of its proper divisors (27341863).
74022681 is a wasteful number, since it uses less digits than its factorization.
74022681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666911.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 74022681 is about 8603.6434723901. The cubic root of 74022681 is about 419.8765340035.
The spelling of 74022681 in words is "seventy-four million, twenty-two thousand, six hundred eighty-one".
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