Base | Representation |
---|---|
bin | 1100111001110… |
… | …1011111101110 |
3 | 10202211201002020 |
4 | 3032131133232 |
5 | 102323404403 |
6 | 5212011010 |
7 | 1225014324 |
oct | 316353756 |
9 | 122751066 |
10 | 54122478 |
11 | 28607023 |
12 | 16160a66 |
13 | b29c947 |
14 | 728bd14 |
15 | 4b41453 |
hex | 339d7ee |
54122478 has 8 divisors (see below), whose sum is σ = 108244968. Its totient is φ = 18040824.
The previous prime is 54122459. The next prime is 54122491. The reversal of 54122478 is 87422145.
It is a sphenic number, since it is the product of 3 distinct primes.
54122478 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4510201 + ... + 4510212.
It is an arithmetic number, because the mean of its divisors is an integer number (13530621).
Almost surely, 254122478 is an apocalyptic number.
54122478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54122478 is a wasteful number, since it uses less digits than its factorization.
54122478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9020418.
The product of its digits is 17920, while the sum is 33.
The square root of 54122478 is about 7356.7980806870. The cubic root of 54122478 is about 378.2618632853.
The spelling of 54122478 in words is "fifty-four million, one hundred twenty-two thousand, four hundred seventy-eight".
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