Base | Representation |
---|---|
bin | 1000111011101… |
… | …11010111101010 |
3 | 12020000020101100 |
4 | 10131313113222 |
5 | 123141002314 |
6 | 11234102230 |
7 | 1566650436 |
oct | 435672752 |
9 | 166006340 |
10 | 74937834 |
11 | 393339a4 |
12 | 2111a976 |
13 | 126aa21a |
14 | 9d499c6 |
15 | 68a3c09 |
hex | 47775ea |
74937834 has 48 divisors (see below), whose sum is σ = 166937472. Its totient is φ = 24283584.
The previous prime is 74937833. The next prime is 74937851. The reversal of 74937834 is 43873947.
It is a happy number.
It is a super-2 number, since 2×749378342 = 11231357929223112, which contains 22 as substring.
Its product of digits (508032) is a multiple of the sum of its prime divisors (648).
It is a self number, because there is not a number n which added to its sum of digits gives 74937834.
It is not an unprimeable number, because it can be changed into a prime (74937833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239262 + ... + 239574.
It is an arithmetic number, because the mean of its divisors is an integer number (3477864).
Almost surely, 274937834 is an apocalyptic number.
74937834 is an abundant number, since it is smaller than the sum of its proper divisors (91999638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74937834 is a wasteful number, since it uses less digits than its factorization.
74937834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 651 (or 648 counting only the distinct ones).
The product of its digits is 508032, while the sum is 45.
The square root of 74937834 is about 8656.6641381077. The cubic root of 74937834 is about 421.5997830318.
It can be divided in two parts, 749 and 37834, that added together give a palindrome (38583).
The spelling of 74937834 in words is "seventy-four million, nine hundred thirty-seven thousand, eight hundred thirty-four".
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