Base | Representation |
---|---|
bin | 100000101101110… |
… | …001111101000001 |
3 | 1102020210120211122 |
4 | 200231301331001 |
5 | 2111002401001 |
6 | 130244122025 |
7 | 16413222626 |
oct | 4055617501 |
9 | 1366716748 |
10 | 548872001 |
11 | 261907727 |
12 | 133996315 |
13 | 89936c42 |
14 | 52c7834d |
15 | 332bdb1b |
hex | 20b71f41 |
548872001 has 4 divisors (see below), whose sum is σ = 549000900. Its totient is φ = 548743104.
The previous prime is 548871923. The next prime is 548872003. The reversal of 548872001 is 100278845.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100278845 = 5 ⋅20055769.
It can be written as a sum of positive squares in 2 ways, for example, as 46036225 + 502835776 = 6785^2 + 22424^2 .
It is a cyclic number.
It is not a de Polignac number, because 548872001 - 214 = 548855617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (548872003) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57836 + ... + 66653.
It is an arithmetic number, because the mean of its divisors is an integer number (137250225).
Almost surely, 2548872001 is an apocalyptic number.
It is an amenable number.
548872001 is a deficient number, since it is larger than the sum of its proper divisors (128899).
548872001 is a wasteful number, since it uses less digits than its factorization.
548872001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128898.
The product of its (nonzero) digits is 17920, while the sum is 35.
The square root of 548872001 is about 23428.0174363944. The cubic root of 548872001 is about 818.7607699300.
The spelling of 548872001 in words is "five hundred forty-eight million, eight hundred seventy-two thousand, one".
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