Base | Representation |
---|---|
bin | 100101110111… |
… | …1011011001110 |
3 | 1101100202000101 |
4 | 1023233123032 |
5 | 20040330204 |
6 | 1545321314 |
7 | 330523312 |
oct | 113573316 |
9 | 41322011 |
10 | 19855054 |
11 | 1023143a |
12 | 679623a |
13 | 416246b |
14 | 28cbb42 |
15 | 1b22ea4 |
hex | 12ef6ce |
19855054 has 8 divisors (see below), whose sum is σ = 29802960. Its totient is φ = 9920736.
The previous prime is 19855021. The next prime is 19855061. The reversal of 19855054 is 45055891.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 1927 + ... + 6589.
It is an arithmetic number, because the mean of its divisors is an integer number (3725370).
Almost surely, 219855054 is an apocalyptic number.
19855054 is a deficient number, since it is larger than the sum of its proper divisors (9947906).
19855054 is a wasteful number, since it uses less digits than its factorization.
19855054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6794.
The product of its (nonzero) digits is 36000, while the sum is 37.
The square root of 19855054 is about 4455.9010312169. The cubic root of 19855054 is about 270.7844311759.
The spelling of 19855054 in words is "nineteen million, eight hundred fifty-five thousand, fifty-four".
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