Base | Representation |
---|---|
bin | 1101000110111… |
… | …0011110101010 |
3 | 10211110012021210 |
4 | 3101232132222 |
5 | 103033302344 |
6 | 5242213550 |
7 | 1235211045 |
oct | 321563652 |
9 | 124405253 |
10 | 54978474 |
11 | 29041161 |
12 | 164b42b6 |
13 | b50c455 |
14 | 7431c5c |
15 | 4c5edb9 |
hex | 346e7aa |
54978474 has 8 divisors (see below), whose sum is σ = 109956960. Its totient is φ = 18326156.
The previous prime is 54978463. The next prime is 54978479. The reversal of 54978474 is 47487945.
It is a sphenic number, since it is the product of 3 distinct primes.
54978474 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (54978479) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4581534 + ... + 4581545.
It is an arithmetic number, because the mean of its divisors is an integer number (13744620).
Almost surely, 254978474 is an apocalyptic number.
54978474 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.
54978474 is a wasteful number, since it uses less digits than its factorization.
54978474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9163084.
The product of its digits is 1128960, while the sum is 48.
The square root of 54978474 is about 7414.7470624425. The cubic root of 54978474 is about 380.2456260538.
The spelling of 54978474 in words is "fifty-four million, nine hundred seventy-eight thousand, four hundred seventy-four".
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