Base | Representation |
---|---|
bin | 1001000010110… |
… | …11111111101000 |
3 | 12021202210221112 |
4 | 10201123333220 |
5 | 123410434110 |
6 | 11310125452 |
7 | 1610630546 |
oct | 441337750 |
9 | 167683845 |
10 | 75874280 |
11 | 39913519 |
12 | 214b0888 |
13 | 12947531 |
14 | a110d96 |
15 | 69db405 |
hex | 485bfe8 |
75874280 has 32 divisors (see below), whose sum is σ = 172643400. Its totient is φ = 30007296.
The previous prime is 75874259. The next prime is 75874289. The reversal of 75874280 is 8247857.
It can be written as a sum of positive squares in 4 ways, for example, as 40424164 + 35450116 = 6358^2 + 5954^2 .
It is a super-3 number, since 3×758742803 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (75874289) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7097 + ... + 14216.
Almost surely, 275874280 is an apocalyptic number.
It is an amenable number.
75874280 is an abundant number, since it is smaller than the sum of its proper divisors (96769120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75874280 is a wasteful number, since it uses less digits than its factorization.
75874280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21413 (or 21409 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 41.
The square root of 75874280 is about 8710.5843661605. The cubic root of 75874280 is about 423.3486647199.
The spelling of 75874280 in words is "seventy-five million, eight hundred seventy-four thousand, two hundred eighty".
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