Base | Representation |
---|---|
bin | 1000111010000… |
… | …01111011110000 |
3 | 12012121010010220 |
4 | 10131001323300 |
5 | 123112001320 |
6 | 11225253040 |
7 | 1565046351 |
oct | 435017360 |
9 | 165533126 |
10 | 74718960 |
11 | 391a4508 |
12 | 21034180 |
13 | 12631704 |
14 | 9ccdd28 |
15 | 685de40 |
hex | 4741ef0 |
74718960 has 40 divisors (see below), whose sum is σ = 231629520. Its totient is φ = 19924992.
The previous prime is 74718901. The next prime is 74718967. The reversal of 74718960 is 6981747.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74718967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155425 + ... + 155904.
It is an arithmetic number, because the mean of its divisors is an integer number (5790738).
Almost surely, 274718960 is an apocalyptic number.
It is an amenable number.
74718960 is an abundant number, since it is smaller than the sum of its proper divisors (156910560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74718960 is a wasteful number, since it uses less digits than its factorization.
74718960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311345 (or 311339 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 74718960 is about 8644.0129569547. The cubic root of 74718960 is about 421.1889215157.
The spelling of 74718960 in words is "seventy-four million, seven hundred eighteen thousand, nine hundred sixty".
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