Base | Representation |
---|---|
bin | 1000111000010… |
… | …01011001110000 |
3 | 12012011100111220 |
4 | 10130021121300 |
5 | 123032044113 |
6 | 11220305040 |
7 | 1563063312 |
oct | 434113160 |
9 | 165140456 |
10 | 74487408 |
11 | 39056546 |
12 | 20b42180 |
13 | 125801b8 |
14 | 9c6d7b2 |
15 | 6815523 |
hex | 4709670 |
74487408 has 40 divisors (see below), whose sum is σ = 194237568. Its totient is φ = 24595392.
The previous prime is 74487403. The next prime is 74487463. The reversal of 74487408 is 80478447.
It is a self number, because there is not a number n which added to its sum of digits gives 74487408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74487403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116 + ... + 12387.
Almost surely, 274487408 is an apocalyptic number.
It is an amenable number.
74487408 is an abundant number, since it is smaller than the sum of its proper divisors (119750160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74487408 is a wasteful number, since it uses less digits than its factorization.
74487408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14621 (or 14615 counting only the distinct ones).
The product of its (nonzero) digits is 200704, while the sum is 42.
The square root of 74487408 is about 8630.6087850163. The cubic root of 74487408 is about 420.7533870115.
The spelling of 74487408 in words is "seventy-four million, four hundred eighty-seven thousand, four hundred eight".
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