Base | Representation |
---|---|
bin | 110101011001… |
… | …1001101111110 |
3 | 1221200101201221 |
4 | 1222303031332 |
5 | 24131401204 |
6 | 2440023554 |
7 | 456654031 |
oct | 152631576 |
9 | 57611657 |
10 | 27997054 |
11 | 14892668 |
12 | 9461bba |
13 | 5a53407 |
14 | 3a0b018 |
15 | 26d0654 |
hex | 1ab337e |
27997054 has 8 divisors (see below), whose sum is σ = 42889248. Its totient is φ = 13700640.
The previous prime is 27997037. The next prime is 27997069. The reversal of 27997054 is 45079972.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 27997054.
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, 148827 + ... + 149014.
It is an arithmetic number, because the mean of its divisors is an integer number (5361156).
Almost surely, 227997054 is an apocalyptic number.
27997054 is a deficient number, since it is larger than the sum of its proper divisors (14892194).
27997054 is a wasteful number, since it uses less digits than its factorization.
27997054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297890.
The product of its (nonzero) digits is 158760, while the sum is 43.
The square root of 27997054 is about 5291.2242439723. The cubic root of 27997054 is about 303.6482470627.
The spelling of 27997054 in words is "twenty-seven million, nine hundred ninety-seven thousand, fifty-four".
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