Base | Representation |
---|---|
bin | 1000110111000… |
… | …11001101011010 |
3 | 12011212101220220 |
4 | 10123203031122 |
5 | 123012042340 |
6 | 11213100510 |
7 | 1561542240 |
oct | 433431532 |
9 | 164771826 |
10 | 74330970 |
11 | 38a59a5a |
12 | 20a87736 |
13 | 12526c2c |
14 | 9c2c790 |
15 | 67d3ed0 |
hex | 46e335a |
74330970 has 128 divisors (see below), whose sum is σ = 220962816. Its totient is φ = 15614976.
The previous prime is 74330969. The next prime is 74330981. The reversal of 74330970 is 7903347.
It is a super-3 number, since 3×743309703 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 167569 + ... + 168011.
It is an arithmetic number, because the mean of its divisors is an integer number (1726272).
Almost surely, 274330970 is an apocalyptic number.
74330970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 74330970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110481408).
74330970 is an abundant number, since it is smaller than the sum of its proper divisors (146631846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74330970 is a wasteful number, since it uses less digits than its factorization.
74330970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524.
The product of its (nonzero) digits is 15876, while the sum is 33.
The square root of 74330970 is about 8621.5410455440. The cubic root of 74330970 is about 420.4586259975.
It can be divided in two parts, 743 and 30970, that added together give a palindrome (31713).
The spelling of 74330970 in words is "seventy-four million, three hundred thirty thousand, nine hundred seventy".
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