Base | Representation |
---|---|
bin | 1000110110101… |
… | …11110111001000 |
3 | 12011210001011100 |
4 | 10123113313020 |
5 | 123004100423 |
6 | 11212101400 |
7 | 1561256565 |
oct | 433276710 |
9 | 164701140 |
10 | 74284488 |
11 | 38a28043 |
12 | 20a64860 |
13 | 1250ba25 |
14 | 9c1986c |
15 | 67c5343 |
hex | 46d7dc8 |
74284488 has 24 divisors (see below), whose sum is σ = 201187350. Its totient is φ = 24761472.
The previous prime is 74284477. The next prime is 74284489. The reversal of 74284488 is 88448247.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 54730404 + 19554084 = 7398^2 + 4422^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is not an unprimeable number, because it can be changed into a prime (74284489) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515793 + ... + 515936.
Almost surely, 274284488 is an apocalyptic number.
It is an amenable number.
74284488 is an abundant number, since it is smaller than the sum of its proper divisors (126902862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74284488 is a wasteful number, since it uses less digits than its factorization.
74284488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1031741 (or 1031734 counting only the distinct ones).
The product of its digits is 458752, while the sum is 45.
The square root of 74284488 is about 8618.8449342125. The cubic root of 74284488 is about 420.3709647661.
The spelling of 74284488 in words is "seventy-four million, two hundred eighty-four thousand, four hundred eighty-eight".
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