Base | Representation |
---|---|
bin | 1000111011111… |
… | …00010000111101 |
3 | 12020001020212222 |
4 | 10131330100331 |
5 | 123142123020 |
6 | 11234335125 |
7 | 1600063052 |
oct | 435742075 |
9 | 166036788 |
10 | 74957885 |
11 | 39347a72 |
12 | 2112a4a5 |
13 | 126b63a2 |
14 | 9d53029 |
15 | 68a9b25 |
hex | 477c43d |
74957885 has 8 divisors (see below), whose sum is σ = 90129240. Its totient is φ = 59846464.
The previous prime is 74957867. The next prime is 74957917. The reversal of 74957885 is 58875947.
It can be written as a sum of positive squares in 4 ways, for example, as 16144324 + 58813561 = 4018^2 + 7669^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74957885 - 28 = 74957629 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12182 + ... + 17271.
It is an arithmetic number, because the mean of its divisors is an integer number (11266155).
Almost surely, 274957885 is an apocalyptic number.
It is an amenable number.
74957885 is a deficient number, since it is larger than the sum of its proper divisors (15171355).
74957885 is a wasteful number, since it uses less digits than its factorization.
74957885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29967.
The product of its digits is 2822400, while the sum is 53.
The square root of 74957885 is about 8657.8221857463. The cubic root of 74957885 is about 421.6373819452.
The spelling of 74957885 in words is "seventy-four million, nine hundred fifty-seven thousand, eight hundred eighty-five".
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