Base | Representation |
---|---|
bin | 1001000000010… |
… | …10000011010001 |
3 | 12021010202112110 |
4 | 10200022003101 |
5 | 123314214031 |
6 | 11255015533 |
7 | 1605032163 |
oct | 440120321 |
9 | 167122473 |
10 | 75538641 |
11 | 39704332 |
12 | 2136a5a9 |
13 | 1285a829 |
14 | a064933 |
15 | 6971c46 |
hex | 480a0d1 |
75538641 has 8 divisors (see below), whose sum is σ = 100836544. Its totient is φ = 50299920.
The previous prime is 75538637. The next prime is 75538691. The reversal of 75538641 is 14683557.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 75538641 - 22 = 75538637 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 75538641.
It is not an unprimeable number, because it can be changed into a prime (75538691) 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, 11725 + ... + 16986.
It is an arithmetic number, because the mean of its divisors is an integer number (12604568).
Almost surely, 275538641 is an apocalyptic number.
It is an amenable number.
75538641 is a deficient number, since it is larger than the sum of its proper divisors (25297903).
75538641 is a wasteful number, since it uses less digits than its factorization.
75538641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29591.
The product of its digits is 100800, while the sum is 39.
The square root of 75538641 is about 8691.2968537497. The cubic root of 75538641 is about 422.7234974048.
The spelling of 75538641 in words is "seventy-five million, five hundred thirty-eight thousand, six hundred forty-one".
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