Base | Representation |
---|---|
bin | 1100111011000… |
… | …0111011100111 |
3 | 10202222202021201 |
4 | 3032300323213 |
5 | 102333431322 |
6 | 5213423331 |
7 | 1225465402 |
oct | 316607347 |
9 | 122882251 |
10 | 54202087 |
11 | 28660915 |
12 | 1619ab47 |
13 | b2c9c54 |
14 | 72acd39 |
15 | 4b59d27 |
hex | 33b0ee7 |
54202087 has 4 divisors (see below), whose sum is σ = 54220936. Its totient is φ = 54183240.
The previous prime is 54202067. The next prime is 54202097. The reversal of 54202087 is 78020245.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78020245 = 5 ⋅15604049.
It is a cyclic number.
It is not a de Polignac number, because 54202087 - 223 = 45813479 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54202037) 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, 4113 + ... + 11194.
It is an arithmetic number, because the mean of its divisors is an integer number (13555234).
Almost surely, 254202087 is an apocalyptic number.
54202087 is a deficient number, since it is larger than the sum of its proper divisors (18849).
54202087 is a wasteful number, since it uses less digits than its factorization.
54202087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18848.
The product of its (nonzero) digits is 4480, while the sum is 28.
The square root of 54202087 is about 7362.2066664825. The cubic root of 54202087 is about 378.4472347943.
The spelling of 54202087 in words is "fifty-four million, two hundred two thousand, eighty-seven".
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