Base | Representation |
---|---|
bin | 1101000111000… |
… | …0101100011001 |
3 | 10211110122201202 |
4 | 3101300230121 |
5 | 103034100140 |
6 | 5242323545 |
7 | 1235246354 |
oct | 321605431 |
9 | 124418652 |
10 | 54987545 |
11 | 29047a58 |
12 | 164b95b5 |
13 | b513612 |
14 | 743529b |
15 | 4c62915 |
hex | 3470b19 |
54987545 has 8 divisors (see below), whose sum is σ = 66034824. Its totient is φ = 43956864.
The previous prime is 54987533. The next prime is 54987593. The reversal of 54987545 is 54578945.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 582169 + 54405376 = 763^2 + 7376^2 .
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 54987545 - 24 = 54987529 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 54987545.
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, 4967 + ... + 11603.
It is an arithmetic number, because the mean of its divisors is an integer number (8254353).
Almost surely, 254987545 is an apocalyptic number.
It is an amenable number.
54987545 is a deficient number, since it is larger than the sum of its proper divisors (11047279).
54987545 is a wasteful number, since it uses less digits than its factorization.
54987545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8299.
The product of its digits is 1008000, while the sum is 47.
The square root of 54987545 is about 7415.3587236222. The cubic root of 54987545 is about 380.2665373799.
The spelling of 54987545 in words is "fifty-four million, nine hundred eighty-seven thousand, five hundred forty-five".
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