Base | Representation |
---|---|
bin | 1101000100001… |
… | …1000000000100 |
3 | 10211010011000000 |
4 | 3101003000010 |
5 | 103012103023 |
6 | 5234321300 |
7 | 1233536616 |
oct | 321030004 |
9 | 124104000 |
10 | 54800388 |
11 | 28a2a385 |
12 | 16429230 |
13 | b479386 |
14 | 73c6db6 |
15 | 4c27243 |
hex | 3443004 |
54800388 has 42 divisors (see below), whose sum is σ = 143792894. Its totient is φ = 18265824.
The previous prime is 54800323. The next prime is 54800393. The reversal of 54800388 is 88300845.
It can be written as a sum of positive squares in only one way, i.e., 50808384 + 3992004 = 7128^2 + 1998^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6481 + ... + 12312.
Almost surely, 254800388 is an apocalyptic number.
It is an amenable number.
54800388 is an abundant number, since it is smaller than the sum of its proper divisors (88992506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54800388 is a wasteful number, since it uses less digits than its factorization.
54800388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18815 (or 18798 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 54800388 is about 7402.7284159288. The cubic root of 54800388 is about 379.8346187083.
The spelling of 54800388 in words is "fifty-four million, eight hundred thousand, three hundred eighty-eight".
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