Base | Representation |
---|---|
bin | 1000110110011… |
… | …00011110000110 |
3 | 12011200200011021 |
4 | 10123030132012 |
5 | 123001102310 |
6 | 11211101354 |
7 | 1561003552 |
oct | 433143606 |
9 | 164620137 |
10 | 74237830 |
11 | 389a5a87 |
12 | 20a4185a |
13 | 124c3714 |
14 | 9c06862 |
15 | 67b65da |
hex | 46cc786 |
74237830 has 8 divisors (see below), whose sum is σ = 133628112. Its totient is φ = 29695128.
The previous prime is 74237803. The next prime is 74237843. The reversal of 74237830 is 3873247.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×742378302 = 11022510806217800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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, 3711882 + ... + 3711901.
It is an arithmetic number, because the mean of its divisors is an integer number (16703514).
Almost surely, 274237830 is an apocalyptic number.
74237830 is a deficient number, since it is larger than the sum of its proper divisors (59390282).
74237830 is a wasteful number, since it uses less digits than its factorization.
74237830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7423790.
The product of its (nonzero) digits is 28224, while the sum is 34.
The square root of 74237830 is about 8616.1377658438. The cubic root of 74237830 is about 420.2829348293.
The spelling of 74237830 in words is "seventy-four million, two hundred thirty-seven thousand, eight hundred thirty".
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