Base | Representation |
---|---|
bin | 1000111010101… |
… | …01101111010000 |
3 | 12012202020102100 |
4 | 10131111233100 |
5 | 123122100310 |
6 | 11231120400 |
7 | 1565535015 |
oct | 435255720 |
9 | 165666370 |
10 | 74800080 |
11 | 3924a453 |
12 | 21073100 |
13 | 1265c604 |
14 | 9d1170c |
15 | 6877ec0 |
hex | 4755bd0 |
74800080 has 60 divisors (see below), whose sum is σ = 251206020. Its totient is φ = 19946496.
The previous prime is 74800057. The next prime is 74800109. The reversal of 74800080 is 8000847.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 39087504 + 35712576 = 6252^2 + 5976^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51225 + ... + 52664.
It is an arithmetic number, because the mean of its divisors is an integer number (4186767).
Almost surely, 274800080 is an apocalyptic number.
It is an amenable number.
74800080 is an abundant number, since it is smaller than the sum of its proper divisors (176405940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74800080 is a wasteful number, since it uses less digits than its factorization.
74800080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103908 (or 103899 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 74800080 is about 8648.7039491475. The cubic root of 74800080 is about 421.3412901967.
The spelling of 74800080 in words is "seventy-four million, eight hundred thousand, eighty".
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