Base | Representation |
---|---|
bin | 1000111010101… |
… | …11100001001110 |
3 | 12012202121102111 |
4 | 10131113201032 |
5 | 123122313444 |
6 | 11231214234 |
7 | 1565565205 |
oct | 435274116 |
9 | 165677374 |
10 | 74807374 |
11 | 39254984 |
12 | 2107737a |
13 | 12662a25 |
14 | 9d1423c |
15 | 687a234 |
hex | 475784e |
74807374 has 4 divisors (see below), whose sum is σ = 112211064. Its totient is φ = 37403686.
The previous prime is 74807347. The next prime is 74807393. The reversal of 74807374 is 47370847.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47370847 = 449 ⋅105503.
It is a super-3 number, since 3×748073743 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18701842 + ... + 18701845.
It is an arithmetic number, because the mean of its divisors is an integer number (28052766).
Almost surely, 274807374 is an apocalyptic number.
74807374 is a deficient number, since it is larger than the sum of its proper divisors (37403690).
74807374 is a wasteful number, since it uses less digits than its factorization.
74807374 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37403689.
The product of its (nonzero) digits is 131712, while the sum is 40.
The square root of 74807374 is about 8649.1256205469. The cubic root of 74807374 is about 421.3549852065.
The spelling of 74807374 in words is "seventy-four million, eight hundred seven thousand, three hundred seventy-four".
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