Base | Representation |
---|---|
bin | 1101000100001… |
… | …1001111101011 |
3 | 10211010012101000 |
4 | 3101003033223 |
5 | 103012121022 |
6 | 5234330043 |
7 | 1233542544 |
oct | 321031753 |
9 | 124105330 |
10 | 54801387 |
11 | 28a30103 |
12 | 16429923 |
13 | b479974 |
14 | 73c74cb |
15 | 4c276ac |
hex | 34433eb |
54801387 has 64 divisors (see below), whose sum is σ = 93312000. Its totient is φ = 31578624.
The previous prime is 54801371. The next prime is 54801391. The reversal of 54801387 is 78310845.
It is not a de Polignac number, because 54801387 - 24 = 54801371 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54801317) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 306064 + ... + 306242.
It is an arithmetic number, because the mean of its divisors is an integer number (1458000).
Almost surely, 254801387 is an apocalyptic number.
54801387 is a deficient number, since it is larger than the sum of its proper divisors (38510613).
54801387 is a wasteful number, since it uses less digits than its factorization.
54801387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257 (or 251 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 54801387 is about 7402.7958907429. The cubic root of 54801387 is about 379.8369267970.
The spelling of 54801387 in words is "fifty-four million, eight hundred one thousand, three hundred eighty-seven".
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