Base | Representation |
---|---|
bin | 1101000101110… |
… | …0010010100001 |
3 | 10211022102002100 |
4 | 3101130102201 |
5 | 103023411334 |
6 | 5240441013 |
7 | 1234450611 |
oct | 321342241 |
9 | 124272070 |
10 | 54903969 |
11 | 28aa018a |
12 | 16479169 |
13 | b4b4573 |
14 | 7412a41 |
15 | 4c47c99 |
hex | 345c4a1 |
54903969 has 12 divisors (see below), whose sum is σ = 79373476. Its totient is φ = 36571392.
The previous prime is 54903923. The next prime is 54903971. The reversal of 54903969 is 96930945.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 22924944 + 31979025 = 4788^2 + 5655^2 .
It is not a de Polignac number, because 54903969 - 28 = 54903713 is a prime.
It is a super-2 number, since 2×549039692 = 6028891623905922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54903869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14277 + ... + 17709.
Almost surely, 254903969 is an apocalyptic number.
It is an amenable number.
54903969 is a deficient number, since it is larger than the sum of its proper divisors (24469507).
54903969 is a wasteful number, since it uses less digits than its factorization.
54903969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5216 (or 5213 counting only the distinct ones).
The product of its (nonzero) digits is 262440, while the sum is 45.
The square root of 54903969 is about 7409.7212498177. The cubic root of 54903969 is about 380.0737829952.
The spelling of 54903969 in words is "fifty-four million, nine hundred three thousand, nine hundred sixty-nine".
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